Wireless access point device
By integrating the power supply and wireless unit within the same chassis and utilizing a unidirectional transmission line to achieve automatic configuration of the wireless unit, the high deployment cost problem of traditional methods is solved, realizing low-cost isolation and channel avoidance of wireless networks.
Patent Information
- Application Number
- CN202520249374.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Traditional methods require deploying two sets of wireless access points in substations to achieve physical isolation between Zone II and Zone IV wireless networks, resulting in high deployment costs.
Design a wireless access point device in which a power supply unit, a first wireless unit, and a second wireless unit are located in the same housing and connected by a one-way information transmission line in the operating frequency band to achieve automatic configuration between the wireless units and avoid channel conflicts.
It reduces deployment costs, simplifies the cabling process, and avoids channel conflicts through automatic configuration, meeting the power industry's isolation requirements for wireless networks.
Smart Images
Figure CN223758270U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wireless network technical field, in particular to wireless access point device. BACKGROUND
[0002] WAPI (WLAN Authentication and Privacy Infrastructure, WLAN security standard and technology specified in wireless local area network national standard GB15629.11) is the WLAN security standard and technology specified in wireless local area network national standard GB15629.11; wherein, the English full name of WLAN is Wireless Local Area Network, and the Chinese full name is wireless local area network.
[0003] WAPI identifies the identity of wireless access point (AP, the English full name of AP is Access Point) and wireless terminal (STA, the English full name of STA is Station) by adopting digital certificate, and the identity of AP and STA is authenticated based on three-element authentication system, so that the security of wireless access authentication can be ensured.
[0004] With the application of digitization and intelligentization in the electric power industry, WAPI wireless technology is applied more and more in intelligent substation, and these applications include the services of two security zones in substation; the services of two security zones are II zone service and IV service respectively. II zone service is mainly operation monitoring type service, and mainly sensor data transmission service; IV service is mainly operation and maintenance type service, including providing data transmission channel for inspection robot, mobile operation terminal, risk control system terminal and the like.
[0005] According to the requirement of safety management of electric power industry, that is, "horizontal isolation and vertical authentication", II zone network and IV service need to be physically isolated, and this physical isolation requires new requirements for wireless network, and the wireless network of two security zones needs to be physically isolated.
[0006] The traditional method is to establish two sets of wireless networks in substation, and two wireless access points are deployed at a certain point, and this method has the problem of high deployment cost. UTILITY MODEL CONTENT
[0007] Therefore, the utility model embodiment provides a wireless access point device.
[0008] The content of the utility model embodiment is as follows:
[0009] A wireless access point device, the wireless access point device comprises: a power supply unit, a first wireless unit and a second wireless unit.
[0010] The power supply unit, the first wireless unit and the second wireless unit are located in the same casing;
[0011] The first wireless unit is connected with the power supply unit, and the second wireless unit is connected with the power supply unit;
[0012] The first wireless unit and the second wireless unit are connected through a unidirectional transmission line of operating frequency band information.
[0013] In one embodiment, the unidirectional transmission line of operating frequency band information is a unidirectional serial port signal line for transmitting operating frequency band information.
[0014] In one embodiment, the first wireless unit comprises a first control subunit, a first radio frequency processing subunit, a second radio frequency processing subunit and a first radio frequency signal combiner.
[0015] The first control subunit is connected with the first radio frequency processing subunit, and the first control subunit is connected with the second radio frequency processing subunit.
[0016] The first radio frequency signal combiner is connected with the first radio frequency processing subunit, and the first radio frequency signal combiner is connected with the second radio frequency processing subunit.
[0017] In one embodiment, the first wireless unit further comprises a first band-pass filter.
[0018] The first band-pass filter is connected in series between the first radio frequency signal combiner and the second radio frequency processing subunit.
[0019] In one embodiment, the first wireless unit further comprises a first antenna subunit.
[0020] The first radio frequency signal combiner is connected with the first antenna subunit.
[0021] In one embodiment, the second radio frequency processing subunit is a 5.1G radio frequency processing unit.
[0022] In one embodiment, the second wireless unit comprises a second control subunit, a third radio frequency processing subunit, a fourth radio frequency processing subunit and a second radio frequency signal combiner.
[0023] The second control subunit is connected with the third radio frequency processing subunit, and the second control subunit is connected with the fourth radio frequency processing subunit.
[0024] The second radio frequency signal combiner is connected with the third radio frequency processing subunit, and the second radio frequency signal combiner is connected with the fourth radio frequency processing subunit.
[0025] In one embodiment, the second wireless unit further comprises a second band-pass filter;
[0026] The second band-pass filter is connected in series between the second radio frequency signal combiner and the fourth radio frequency processing sub-unit.
[0027] In one embodiment, the second wireless unit further comprises a second antenna sub-unit;
[0028] The second radio frequency signal combiner is connected to the second antenna sub-unit.
[0029] In one embodiment, the fourth radio frequency processing sub-unit is a 5.8G radio frequency processing unit.
[0030] The wireless access point device comprises a power supply unit, a first wireless unit and a second wireless unit; the power supply unit, the first wireless unit and the second wireless unit are located in the same housing, the first wireless unit is connected to the power supply unit, and the second wireless unit is connected to the power supply unit, so that a set of vertical poles and a set of power supply lines can be used to deploy the wireless access point device at a single point, thereby establishing two sets of wireless networks without the need to set up two sets of vertical poles and two sets of power supply lines, and the deployment cost is lower; and the first wireless unit and the second wireless unit are connected through a one-way transmission line of working frequency band information, so that one of the wireless units can transmit its own working frequency band information to the other wireless unit, and the other wireless unit can avoid using the same wireless channel as the aforementioned one of the wireless units through automatic configuration, thereby avoiding channel conflict. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is a structural block diagram of the wireless access point device in one embodiment;
[0032] Figure 2 It is a structural block diagram of the wireless access point device in another embodiment;
[0033] Figure 3 It is a structural block diagram of the first wireless unit in one embodiment;
[0034] Figure 4 It is a structural block diagram of the second wireless unit in one embodiment. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0036] Reference to an "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.
[0037] The utility model embodiment provides a wireless access point device, the wireless access point device includes: power unit, first wireless unit and second wireless unit, power unit, first wireless unit and second wireless unit are located in the same casing, first wireless unit and power unit are connected, and second wireless unit and power unit are connected, first wireless unit and second wireless unit are connected through the working frequency band information unidirectional transmission line.
[0038] The wireless unit can realize the processing of wireless network signal, the receiving and processing of data. The application relates to two wireless units, for distinction, the two wireless units are called first wireless unit and second wireless unit respectively.
[0039] Referring to Figure 1 Or Figure 2 , first wireless unit, second wireless unit and power unit are located in the same casing. First wireless unit is connected with power unit, thus, first wireless unit can obtain the electric energy required for working from power unit. Second wireless unit is connected with power unit, thus, second wireless unit can obtain the electric energy required for working from power unit.
[0040] First wireless unit and second wireless unit are connected through the working frequency band information unidirectional transmission line, thus, one of the wireless units can send the working frequency band information of itself to the other wireless unit, avoiding channel conflict; and the working frequency band information unidirectional transmission line belongs to unidirectional transmission, thus, the wireless access point device integrated with the two wireless units can also meet the isolation requirement of power.
[0041] The working frequency band information unidirectional transmission line has two connection modes. Figure 1 In the shown connection mode, the input end of the working frequency band information unidirectional transmission line is connected with first wireless unit, and the output end of the working frequency band information unidirectional transmission line is connected with second wireless unit; based on this connection mode, first wireless unit can send the working frequency band information of itself to second wireless unit, and second wireless unit is automatically configured based on the working frequency band information of first wireless unit, so that second wireless unit can avoid using the same wireless channel as first wireless unit, avoiding channel conflict.
[0042] Figure 2In the shown connection mode, the input end of the working frequency band information unidirectional transmission line is connected with the second wireless unit, and the output end of the working frequency band information unidirectional transmission line is connected with the first wireless unit. Based on this connection mode, the second wireless unit can send its own working frequency band information to the first wireless unit, and the first wireless unit can be automatically configured based on the working frequency band information of the second wireless unit, so that the first wireless unit can avoid using the same wireless channel as the second wireless unit and avoid channel conflict.
[0043] In one embodiment, the working frequency band information unidirectional transmission line is a unidirectional serial port signal line for transmitting working frequency band information.
[0044] The unidirectional serial port signal line can be written as a unidirectional serial port TX line, where TX is the English abbreviation of Transmit, and the Chinese of Transmit is transmission.
[0045] The unidirectional serial port signal line is a signal line that only allows data transmission in one direction in serial port communication. The unidirectional serial port signal line mainly works based on the basic principle of serial port communication, and usually uses one signal line to transmit data. At the sending end, the data is converted into an electrical signal in binary form at a certain baud rate (data transmission rate), and then transmitted to the receiving end through the signal line. The receiving end samples and analyzes the signal at the same baud rate to restore the original data from the electrical signal.
[0046] Based on the unidirectional serial port signal line, one of the wireless units can transmit its own working frequency band information to the other wireless unit, thereby avoiding channel conflict.
[0047] The internal structures of the first wireless unit and the second wireless unit involved in the present application are substantially the same, and the units included in the first wireless unit and the second wireless unit are distinguished by "first, second, third", etc.
[0048] In one embodiment, the first wireless unit includes a first control subunit, a first radio frequency processing subunit, a second radio frequency processing subunit, and a first radio frequency signal combiner. The first control subunit is connected with the first radio frequency processing subunit, and the first control subunit is connected with the second radio frequency processing subunit. The first radio frequency signal combiner is connected with the first radio frequency processing subunit, and the first radio frequency signal combiner is connected with the second radio frequency processing subunit.
[0049] The control subunit included in the first wireless unit can be referred to as the first control subunit. The two radio frequency processing subunits included in the first wireless unit are referred to as the first radio frequency processing subunit and the second radio frequency processing subunit, respectively. The radio frequency signal combiner included in the first wireless unit is referred to as the first radio frequency signal combiner.
[0050] The radio frequency processing subunit is a key component in a communication system responsible for processing radio frequency signals, which mainly completes a series of operations related to radio frequency signals to realize wireless communication functions.
[0051] The radio frequency signal combiner is used to combine two or more radio frequency signals of different frequencies and amplitudes into one signal output, while ensuring good isolation between the input signals to avoid mutual interference.
[0052] In this embodiment, the first radio frequency signal combiner is connected to the first radio frequency processing subunit and the second radio frequency processing subunit at the same time. After the signals of the two radio frequency processing subunits are combined by the first radio frequency signal combiner, they are transmitted using one antenna, reducing the use of antennas and the associated feed lines, towers, and other equipment, thereby reducing hardware procurement, installation, and maintenance costs. In addition, it can also reduce the independent lines from each radio frequency processing subunit to the antenna, making the line layout of the entire wireless access point device more simple and reducing the wiring cost and complexity.
[0053] In one of the embodiments, the first wireless unit further includes a first band-pass filter; the first band-pass filter is connected in series between the first radio frequency signal combiner and the second radio frequency processing subunit.
[0054] The band-pass filter included in the first wireless unit can be referred to as the first band-pass filter. The first band-pass filter can be a low-pass filter.
[0055] In this embodiment, the first band-pass filter is connected in series between the first radio frequency signal combiner and the second radio frequency processing subunit. The first band-pass filter can suppress the interference signals output by the second radio frequency processing subunit, ensuring the purity of the signals input to the first radio frequency signal combiner and improving the signal quality.
[0056] In one of the embodiments, the first wireless unit further includes a first antenna subunit; the first radio frequency signal combiner is connected to the first antenna subunit.
[0057] The antenna subunit included in the first wireless unit can be referred to as the first antenna subunit. The first radio frequency signal combiner is connected to the first antenna subunit. Through the first radio frequency signal combiner, the signals output by the first radio frequency processing subunit and the second radio frequency processing subunit can be combined and transmitted by the same antenna subunit, making the signal coverage in space more uniform and effective.
[0058] In one of the embodiments, the second radio frequency processing subunit is a 5.1G radio frequency processing unit.
[0059] 5.1G radio frequency processing unit refers to a unit for processing radio frequency signals working at a 5.1 GHz frequency band. The 5.1G radio frequency processing unit is a key component in a wireless communication system, which undertakes important functions such as transmitting and receiving, modulation and demodulation, amplification, filtering, etc. of radio frequency signals in the entire communication link, and ensures that the signals can be stably and efficiently transmitted in the frequency band.
[0060] In one of the embodiments, the first wireless unit comprises a first control subunit, a first radio frequency processing subunit, a second radio frequency processing subunit, a first radio frequency front-end unit, a second radio frequency front-end unit, a first band-pass filter, a first radio frequency signal combiner, and a first antenna subunit.
[0061] With reference to Figure 3 , the first control subunit is connected with the first radio frequency processing subunit and the second radio frequency processing subunit respectively; the first radio frequency processing subunit is connected with the first radio frequency signal combiner through the first radio frequency front-end unit; the second radio frequency processing subunit is connected with the first radio frequency signal combiner in sequence through the second radio frequency front-end unit and the first band-pass filter. The first radio frequency signal combiner is connected with the first antenna subunit.
[0062] Among them, the second radio frequency processing subunit can be a 5.1G radio frequency processing unit, and a first band-pass filter is connected in series between the second radio frequency processing subunit and the first radio frequency signal combiner, and the first band-pass filter is a low band-pass filter.
[0063] In one of the embodiments, the second wireless unit comprises a second control subunit, a third radio frequency processing subunit, a fourth radio frequency processing subunit, and a second radio frequency signal combiner; the second control subunit is connected with the third radio frequency processing subunit, and the second control subunit is connected with the fourth radio frequency processing subunit; the second radio frequency signal combiner is connected with the third radio frequency processing subunit, and the second radio frequency signal combiner is connected with the fourth radio frequency processing subunit.
[0064] The control subunit included in the second wireless unit can be referred to as a second control subunit. The two radio frequency processing subunits included in the second wireless unit are referred to as a third radio frequency processing subunit and a fourth radio frequency processing subunit respectively. The radio frequency signal combiner included in the second wireless unit can be referred to as a second radio frequency signal combiner.
[0065] The radio frequency processing subunit is a key component in a communication system responsible for processing radio frequency signals, which mainly completes a series of operations related to radio frequency signals to realize wireless communication functions.
[0066] The radio frequency signal combiner is used to combine two or more radio frequency signals of different frequencies and amplitudes into one signal output, while ensuring good isolation between the input signals to avoid signal interference.
[0067] In the embodiment, the second radio frequency signal combiner is connected with the third radio frequency processing subunit and the fourth radio frequency processing subunit simultaneously, signals of the two radio frequency processing subunits are combined through the second radio frequency signal combiner, and then are transmitted by using one antenna, so that the use of the antenna and the feed line, the tower and other devices matched with the antenna is reduced, and the hardware procurement, installation and maintenance costs are reduced; and the independent lines from the radio frequency processing subunits to the antenna are also reduced, so that the line layout of the whole wireless access point device is more simple, and the wiring cost and complexity are reduced.
[0068] In one of the embodiments, the second wireless unit further comprises a second band-pass filter; the second band-pass filter is connected in series between the second radio frequency signal combiner and the fourth radio frequency processing subunit.
[0069] The band-pass filter comprised by the second wireless unit can be referred to as a second band-pass filter. The second band-pass filter can be a high band-pass filter.
[0070] In the embodiment, the second band-pass filter is connected in series between the second radio frequency signal combiner and the fourth radio frequency processing subunit, the second band-pass filter can suppress the interference signal output by the fourth radio frequency processing subunit, ensure the signal purity input to the second radio frequency signal combiner, and improve the signal quality.
[0071] In one of the embodiments, the second wireless unit further comprises a second antenna subunit; the second radio frequency signal combiner is connected with the second antenna subunit.
[0072] The antenna subunit comprised by the second wireless unit can be referred to as a second antenna subunit. The second radio frequency signal combiner is connected with the second antenna subunit, through the second radio frequency signal combiner, the signals output by the third radio frequency processing subunit and the fourth radio frequency processing subunit can be combined and then transmitted by the same antenna subunit, so that the signal coverage in space is more uniform and effective.
[0073] In one of the embodiments, the fourth radio frequency processing subunit is a 5.8G radio frequency processing unit.
[0074] The 5.8G radio frequency processing unit refers to a unit for processing radio frequency signals working in the 5.8GHz frequency band. The 5.8G radio frequency processing unit is a key component in the wireless communication system, and undertakes important functions such as receiving and transmitting, modulation and demodulation, amplification, filtering and the like of the radio frequency signals in the whole communication link, so as to ensure that the signals can be stably and efficiently transmitted in the frequency band.
[0075] In one of the embodiments, the second wireless unit comprises a second control subunit, a third radio frequency processing subunit, a fourth radio frequency processing subunit, a third radio frequency front-end subunit, a fourth radio frequency front-end subunit, a second band-pass filter, a second radio frequency signal combiner and a second antenna subunit.
[0076] Referring to Figure 4 The second control subunit is connected with the third radio frequency processing subunit and the fourth radio frequency processing subunit respectively; the third radio frequency processing subunit is connected with the second radio frequency signal combiner through a third radio frequency front-end subunit; the fourth radio frequency processing subunit is connected with the second radio frequency signal combiner through a fourth radio frequency front-end subunit and a second band-pass filter in sequence. The second radio frequency signal combiner is connected with the second antenna subunit.
[0077] The fourth radio frequency processing subunit can be a 5.8G radio frequency processing unit; a second band-pass filter is connected in series between the fourth radio frequency processing subunit and the second radio frequency signal combiner, and the second band-pass filter is a high band-pass filter.
[0078] The first wireless unit further comprises an Ethernet interface, and the second wireless unit also comprises an Ethernet interface.
[0079] For the convenience of understanding, the application further provides an embodiment in which the wireless access point device comprises a power supply unit, a first wireless unit and a second wireless unit; the power supply unit, the first wireless unit and the second wireless unit are located in the same casing; the first wireless unit is connected with the power supply unit, and the second wireless unit is connected with the power supply unit; the first wireless unit and the second wireless unit are connected through a working frequency band information unidirectional transmission line. The working frequency band information unidirectional transmission line is a unidirectional serial port signal line for transmitting working frequency band information.
[0080] The working frequency band information unidirectional transmission line has two connection modes. Figure 1 In the shown connection mode, the input end of the working frequency band information unidirectional transmission line is connected with the first wireless unit, and the output end of the working frequency band information unidirectional transmission line is connected with the second wireless unit; based on this connection mode, the first wireless unit can send its own working frequency band information to the second wireless unit, and the second wireless unit is automatically configured based on the working frequency band information of the first wireless unit, so that the second wireless unit can avoid using the same wireless channel as the first wireless unit, and avoid channel conflict.
[0081] Figure 2 In the shown connection mode, the input end of the working frequency band information unidirectional transmission line is connected with the second wireless unit, and the output end of the working frequency band information unidirectional transmission line is connected with the first wireless unit; based on this connection mode, the second wireless unit can send its own working frequency band information to the first wireless unit, and the first wireless unit is automatically configured based on the working frequency band information of the second wireless unit, so that the first wireless unit can avoid using the same wireless channel as the second wireless unit, and avoid channel conflict.
[0082] The first wireless unit comprises a first control subunit, a first radio frequency processing subunit, a second radio frequency processing subunit, a first radio frequency front end unit, a second radio frequency front end unit, a first band pass filter, a first radio frequency signal combiner and a first antenna subunit.
[0083] With reference to Figure 3 The first control subunit is connected with the first radio frequency processing subunit and the second radio frequency processing subunit respectively; the first radio frequency processing subunit is connected with the first radio frequency signal combiner through the first radio frequency front end unit; and the second radio frequency processing subunit is connected with the first radio frequency signal combiner through the second radio frequency front end unit and the first band pass filter in sequence. The first radio frequency signal combiner is connected with the first antenna subunit.
[0084] The second radio frequency processing subunit can be a 5.1G radio frequency processing unit; a first band pass filter is connected in series between the second radio frequency processing subunit and the first radio frequency signal combiner; and the first band pass filter is a low band pass filter.
[0085] The second wireless unit comprises a second control subunit, a third radio frequency processing subunit, a fourth radio frequency processing subunit, a third radio frequency front end subunit, a fourth radio frequency front end subunit, a second band pass filter, a second radio frequency signal combiner and a second antenna subunit.
[0086] With reference to Figure 4 The second control subunit is connected with the third radio frequency processing subunit and the fourth radio frequency processing subunit respectively; the third radio frequency processing subunit is connected with the second radio frequency signal combiner through the third radio frequency front end subunit; and the fourth radio frequency processing subunit is connected with the second radio frequency signal combiner through the fourth radio frequency front end subunit and the second band pass filter in sequence. The second radio frequency signal combiner is connected with the second antenna subunit.
[0087] The fourth radio frequency processing subunit can be a 5.8G radio frequency processing unit; a second band pass filter is connected in series between the fourth radio frequency processing subunit and the second radio frequency signal combiner; and the second band pass filter is a high band pass filter.
[0088] The first wireless unit further comprises an Ethernet interface; and the second wireless unit also comprises an Ethernet interface.
[0089] The wireless access point device provided by the application comprises two independent wireless units in one device to respectively realize processing of wireless network signals and data receiving and processing, the two wireless units share a power supply, and channel conflict can be avoided, so that the device can be conveniently deployed in a network environment requiring physical isolation, and has good deployability and economy.
[0090] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as the scope of the description.
[0091] The above-described embodiments only express several implementation manners of the present application, and cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, under the premise of not departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent shall be subject to the appended claims.
Claims
1. A wireless access point apparatus, the apparatus comprising: The wireless access point device comprises a power supply unit, a first wireless unit and a second wireless unit; The power supply unit, the first wireless unit and the second wireless unit are located in the same casing; The first wireless unit is connected with the power supply unit, and the second wireless unit is connected with the power supply unit; The first wireless unit and the second wireless unit are connected through a unidirectional transmission line of working frequency band information.
2. The wireless access point apparatus of claim 1, wherein, The unidirectional transmission line of working frequency band information is a unidirectional serial signal line for transmitting working frequency band information.
3. The wireless access point apparatus of claim 1, wherein, The first wireless unit comprises a first control subunit, a first radio frequency processing subunit, a second radio frequency processing subunit and a first radio frequency signal combiner; The first control subunit is connected with the first radio frequency processing subunit, and the first control subunit is connected with the second radio frequency processing subunit; The first radio frequency signal combiner is connected with the first radio frequency processing subunit, and the first radio frequency signal combiner is connected with the second radio frequency processing subunit.
4. The wireless access point apparatus of claim 3, wherein, The first wireless unit further comprises a first band-pass filter; The first band-pass filter is connected in series between the first radio frequency signal combiner and the second radio frequency processing subunit.
5. The wireless access point device of claim 3, wherein, The first wireless unit further comprises a first antenna subunit; The first radio frequency signal combiner is connected with the first antenna subunit.
6. The wireless access point device of claim 3, wherein, The second radio frequency processing subunit is a 5.1G radio frequency processing unit.
7. The wireless access point device of claim 1, wherein, The second wireless unit comprises a second control subunit, a third radio frequency processing subunit, a fourth radio frequency processing subunit and a second radio frequency signal combiner; The second control subunit is connected with the third radio frequency processing subunit, and the second control subunit is connected with the fourth radio frequency processing subunit; The second radio frequency signal combiner is connected with the third radio frequency processing subunit, and the second radio frequency signal combiner is connected with the fourth radio frequency processing subunit.
8. The wireless access point device of claim 7, wherein, The second wireless unit further comprises a second band-pass filter; The second band-pass filter is connected in series between the second radio frequency signal combiner and the fourth radio frequency processing subunit.
9. The wireless access point device of claim 8, wherein, The second wireless unit further comprises a second antenna subunit; The second radio frequency signal combiner is connected with the second antenna subunit.
10. The wireless access point device of claim 8, wherein, The fourth radio frequency processing subunit is a 5.8G radio frequency processing unit.