458 results about "Diplexer" patented technology

A duplexer including a support substrate, a reception signal terminal, a transmit signal terminal, an antenna terminal, a receive side filter formed on the support substrate and electrically coupling the reception signal terminal to the antenna terminal, a transmit side filter formed on the support substrate and electrically coupling the transmit signal terminal to the antenna terminal, a side wall surrounding the receive side filter and the transmit side filter, and a cap wafer disposed on the side wall and enclosing the receive side filter and the transmit side filter in a cavity defined by the cap wafer, the side wall, and the support substrate, there being no post disposed on the antenna terminal and in contact with the cap wafer.

The invention provides a Q / V frequency band large-scale satellite communication load channel optimization method, which comprises a forward input link and a backward output link, and is characterized in that the forward input link comprises a V frequency band multi-beam antenna feed source array, a plurality of input preselectors, a V frequency band low noise amplifier input switch ring and a V / Ka integrated receiver assembly which are connected in sequence; the output end of the V-band multi-beam antenna feed source array is connected with the input end of the V / Ka integrated receiver assembly through a waveguide. The reverse output link comprises a Ka / Q frequency converter, a Q-band channel filter, a Q-band traveling wave tube amplifier, a change-over switch, a Q-band output duplexer or filter and a Q-band feed beam which are connected in sequence, and the output end of the Ka / Q frequency converter is connected to the input end of the Q-band channel filter through a waveguide; and the output end of the Q-band channel filter is directly connected to the input end of the Q-band traveling wave tube amplifier through the waveguide. Therefore, the method is low in link loss, high in space utilization rate and high in feasibility.

The invention provides a dielectric waveguide filter, a construction method and a dielectric waveguide duplexer. The construction method of the dielectric waveguide filter comprises the following steps: selecting a dielectric material based on a given target passband index; establishing a matrix four-mode dielectric waveguide resonator, and adjusting the size of a rectangular dielectric waveguide to enable the resonant mode frequency to reach a target frequency band; carrying out electromagnetic field distribution analysis on a single four-mode dielectric waveguide resonator with a set size, positioning the distribution position of a resonance mode according to the distribution condition of an electromagnetic field, and respectively embedding four blind holes in the position where the electromagnetic field is strongest in distribution so as to realize polarization fixation and frequency regulation and control on the resonance mode; selecting a coupling topology to construct a dielectric filter based on frequency regulation and control of the four-mode dielectric waveguide resonator; the additional coupling blind holes are added on the basis of the coupling topological structure so as to regulate and control the mutual coupling between the adjacent resonators. According to the technical scheme, the problem that the size of a filter in the prior art is large is effectively solved.

The invention discloses a low-power-consumption Ku / Ka dual-band transceiver, which relates to a low-power-consumption dual-band transceiving combination in the field of communication, realizes time-sharing work of Ku and Ka bands, and has a radio frequency signal transceiving function. The ultra-low-power-consumption Ku-band band-pass filter is composed of an intermediate frequency unit, a Ku-band receiving and transmitting module, an ultra-low-power-consumption modulation switch circuit, a Ka-band receiving and transmitting module, a Ku-band duplexer, a Ka-band duplexer, a frequency source module and the like. Low power consumption is realized through technologies of circuit multiplexing, pulse modulation switch switching, integrated design and the like. The low-power-consumption miniaturized dual-band transceiver has the advantages of miniaturization, low stray, good amplitude-frequency, stable and reliable performance and the like, can normally work in a relatively severe environment, and is particularly suitable for serving as a low-power-consumption miniaturized dual-band transceiver of a satellite communication terminal.

An antenna system includes a loop conductor and non-loop conductor configured to provide respective loop and dipole antenna functionality. A signal feed mechanism connects to both conductors at a signal feed point for simultaneous signal transceiving. The non-loop conductor comprises two elongate arms with an offset feed point creating shorter and longer arms, where the longer arm has increased width via a loop-shaped portion. When incorporated in eyewear devices, the loop-shaped portion extends circumferentially along a lens holder to retain lenses. The conductors may be configured through a diplexer for different frequency domains, with the non-loop conductor serving as a GPS antenna and the loop conductor as a data communication antenna. The radiation patterns of the conductors may be substantially orthogonal when driven by the signal feed mechanism. The system provides integrated antenna and mechanical functionality in wearable devices.

The invention provides a shipborne relay vertical omnidirectional communication array antenna, which relates to the technical field of wireless communication and comprises a base, a low-frequency printed substrate and two high-frequency printed substrates, a plurality of low-frequency dipole units and second phase guider coupling units are arranged on the two surfaces of the low-frequency printed substrate in an array manner, and the low-frequency dipole units form an array through a combiner; a plurality of high-frequency dipole subunits and first phase guider coupling units are arranged on the two surfaces of the high-frequency printed substrate in an array manner, and each high-frequency dipole subunit outputs through a parallel connection network; the low-frequency printed substrate and one group of high-frequency signals are connected with one antenna port of the 5G communication module through the duplexer combiner, and the other group of high-frequency signals are independently output and connected with the other antenna port of the 5G communication module. The dipole unit adopts a parallel feed array, so that the gain of the antenna in the horizontal direction is improved, and the omnidirectional coverage area and gain of the antenna are increased in a turning manner; and the phase guider coupling unit beside the dipole unit improves the out-of-roundness of the antenna.

The invention provides an unmanned aerial vehicle electromagnetic interference positioning method and system, and relates to the technical field of unmanned aerial vehicles, and the method comprises the steps: 1, carrying out the broadband frequency spectrum scanning of a remote control link frequency band, a telemetering link frequency band and an image transmission frequency band at the full flight stage of an unmanned aerial vehicle, detecting an interference signal in a frequency hopping communication system in real time, and transmitting the interference signal to an unmanned aerial vehicle; identifying random hopping frequency conversion points covered by the interference signals to form a hopping frequency conversion point set; and step 2, inputting the hopping frequency point set into a radio frequency sharing front end, coupling a radio frequency signal of a communication antenna to a spectrum analysis unit through a duplexer, and performing signal compensation on a coupling path by utilizing automatic gain control and a phase equalizer to obtain corrected interference spectrum data. The anti-interference capability and the flight safety of the unmanned aerial vehicle in a complex electromagnetic environment are improved, and the avoidance path is generated to guarantee the safe flight of the unmanned aerial vehicle.

The invention provides a same-time same-frequency-band full duplex communication device with rapid and agile frequency. Comprising a duplexer, a first frequency hopping wave trap, a first radio frequency amplifier, a first frequency hopping filter, a second frequency hopping wave trap, a second radio frequency amplifier, a second frequency hopping filter, a third radio frequency amplifier, a band-pass filter, an analog-to-digital converter, a standard frequency, a channel controller, a baseband processor, a digital-to-analog converter, a fourth radio frequency amplifier and a third frequency hopping filter. A fifth radio frequency amplifier; and a fourth frequency hopping filter. According to the simultaneous same-frequency-band full-duplex communication device with the fast and agile frequency, the working frequency of the full-duplex communication device covers 100 MHz to 1 GHz, the frequency range is wide, the communication efficiency is high, time delay is small, self-interference generated by a local transmitter is effectively restrained, application of a full-duplex communication system in the wide-frequency-band simultaneous same-frequency-band high-speed frequency hopping process can be met, and the full-duplex communication device is suitable for wide-frequency-band simultaneous same-frequency-band high-speed frequency hopping. The transceiving isolation of the system duplexer is greater than 30dBc, and the notch suppression capability of the receiving path is greater than 65dBc.

The invention relates to the technical field of bulk acoustic wave resonators, and particularly provides a temperature compensation type bulk acoustic wave resonator, a preparation method thereof and a duplexer, the temperature compensation type bulk acoustic wave resonator comprises a substrate, a bottom electrode, a piezoelectric layer, a top electrode and a temperature compensation layer which are sequentially connected from bottom to top, the substrate is provided with an acoustic reflector, and the temperature compensation layer is provided with a dielectric layer. The temperature drift coefficient of the temperature compensation layer is smaller than that of the piezoelectric layer, the temperature compensation layer comprises a first compensation part, and the boundary of the projection of the first compensation part in the overlook direction is located in the boundary of the projection of the acoustic reflector in the overlook direction; the temperature compensation type bulk acoustic wave resonator can effectively solve the problem that the resonant frequency of the bulk acoustic wave resonator is easily influenced by the temperature change due to the fact that the material characteristic of the piezoelectric layer shifts along with the temperature change.

The disclosed front end architectures are configured to conglomerate duplexer transmission (TX) contours into a specific or targeted region. This enables the power amplifier (PA) to match a larger number of frequency bands without the help of additional matching networks. The disclosed architectures are advantageous because they reduce the number of components (e.g., surface mount technology components (SMTs)) required for radio-frequency (RF) modules, such as front end modules, power amplifier modules, and the like. The disclosed architectures are also advantageous because they improve performance of the modules across a wider range of frequency bands.

Duplexer (1), comprising: an antenna connection (11), a transmission connection (12), a receiving connection (13), a transmission filter connected between the antenna connection (11) and the transmission connection (12), a receiving filter connected between the antenna terminal (11) and the receiving terminal (13), and an inductance component (4) connected at one end to the antenna terminal (11) and connected at another end to a ground potential, wherein the transmission filter comprises an elastic wave filter having a ladder circuit configuration, the elastic wave filter including a piezoelectric substrate (5), a series arm resonator (51, 52, 53, 54) and a plurality of shunt arm resonators (P1 - P4), the series arm resonator (51, 52, 53, 54) comprising an elastic wave resonator formed on the piezoelectric substrate and the shunt arm resonators (P1 - P4) each comprising an elastic wave resonator formed on the piezoelectric substrate (5), and wherein one of the shunt arm resonators provided in a shunt arm arranged closest to the transmission terminal in the ladder circuit configuration comprises a transmission-side shunt arm resonator (P1), and the transmission-side shunt arm resonator (P1) is arranged closer to one side of the piezoelectric substrate (5) than a rest of the shunt arm resonators (P2 - P4), the one side (5a) extending in a direction parallel to a propagation direction of an elastic wave in the transmission-side shunt arm resonator (P1), characterized in that the inductance component (4) is arranged outside one side of the piezoelectric substrate such that the electromagnetic coupling between the inductance component (4) and the transmitting-side shunt arm resonator (P1) with its own ground connection is stronger than the electromagnetic coupling between the inductance component (4) and the rest of the shunt arm resonators (P2 - P4).

The invention discloses a multi-band CTS antenna, comprising a feeding network, a multiplexing network and a radiating unit stacked from bottom to top, wherein the feeding network comprises a first metal plate, a second metal plate, four line sources, a first input port, a second input port and a third input port, the multiplexing network comprises a third metal plate and three duplexers, the third duplexer comprises a first low-pass filter, a first band-stop filter and a first E-plane power divider, the second duplexer comprises a second low-pass filter, a second band-stop filter and a second E-plane power divider, the first duplexer comprises a third low-pass filter, a third band-stop filter and a third E-plane power divider, and the radiating unit comprises a fourth metal plate, a fifth metal plate, two one-to-eight power dividers with consistent structures and parameters and sixteen CTS radiating slots with consistent structures and parameters; the antenna has the advantage of being able to cover K-band, Ka-band and Ku-band at the same time, and having high applicability in communication environment.

A method for reducing receive band leakage may include: sensing, at a full duplexer, passive intermodulation distortion and power amplifier distortion; generating, at a processing device, a passive intermodulation distortion and power amplifier distortion cancellation signal; and cancelling, on a receive path, the passive intermodulation distortion and power amplifier distortion using the passive intermodulation distortion and power amplifier distortion cancellation signal.

An electrical balance duplexer (EBD) is provided in an example comprising a first transformer comprising a first at least part of a transformer winding and a second at least part of a transformer winding and a second transformer comprising a third at least part of a transformer winding and a fourth at least part of a transformer winding, wherein the first at least part of a transformer winding is connected in series with the third at least part of a transformer winding. The EBD also comprises a first amplifier having an output connected to the first at least part of a transformer winding and / or the third at least part of a transformer winding, and a second amplifier having an input connected to a node between the second at least part of a transformer winding and the fourth at least part of a transformer winding. The second at least part of a transformer winding is connected in series with the fourth at least part of a transformer winding between a first antenna node and a second antenna node, wherein the first antenna node is for connection to a first antenna and the second antenna node is for connection to a second antenna.

The present application provides a transceiver, a remote radio unit, and a base station. The suppression degree of a first transmitting filter and a second transmitting filter in a third receiving working frequency band can be reduced; moreover, the structure is simple, and the sizes of a quadplexer and a duplexer are small, thereby reducing the manufacturing and assembly difficulty of the transceiver, and reducing the cost. The transceiver comprises a first transmitting module, a second transmitting module, a quadplexer, a duplexer and a combiner. The first transmitting module is connected to the quadplexer, the second transmitting module is connected to the duplexer, and the quadplexer and the duplexer are both connected to the combiner. The first transmitting module is used for transmitting a first transmit radio frequency signal to the quadplexer. The second transmitting module is used for transmitting a second transmit radio frequency signal to the duplexer. The quadplexer is used for transmitting the first transmit radio frequency signal to the combiner. The duplexer is used for transmitting the second transmit radio frequency signal to the combiner. The combiner is used for outputting the first transmit radio frequency signal and / or the second transmit radio frequency signal.

A system for a waveguide-based diplexer (wavelength multiplexer / demultiplexer) and polarizer having ultra-broad bandwidth, a compact footprint, low losses, fabrication robustness and a simple single etch fabrication process. The polarizer (TE-pass) is based on the phase-matched coupling of the unwanted TM0 mode in an input waveguide to the TM1 mode in a tapered directional coupler (DC), which is then guided through a low-loss bend (180-degree) and scattered in a terminator section with low back reflections. An S-bend is added before the output for filtering any residual TM0mode present in the input waveguide. The diplexer is based on a multimode interference (MMI) coupler and is designed at the first imaging length for 1550 nm wavelength resulting in a compact MMI length. In order to improve the extinction ratio, the output ports are made asymmetric in width.

A multi-frequency OMT system comprises an OMT, the upper portion of the OMT comprises an OMT input end, and the lower portion of the OMT comprises a first output end and a second output end. The first duplexer is positioned below the OMT, the upper part of the first duplexer comprises a first input end, the lower part of the first duplexer comprises a first high-frequency output end and a first low-frequency output end, and the first output end is connected with the first input end; the second duplexer is located below the OMT, the upper portion of the second duplexer comprises a second input end, the lower portion of the second duplexer comprises a second high-frequency output end and a second low-frequency output end, and the second output end is connected with the second input end. Through reasonable arrangement of component structures and frequency division of dual-polarized antenna signals, the purpose that a pair of antennas of a single-hop link perform four-group transceiving at the same time is achieved, meanwhile, high-power and high-capacity communication technology requirements are met, spectrum resources and iron tower resources are saved, the utilization rate of microwave antennas is increased, and the cost is reduced. And the method is suitable for mass production.

The invention provides a transceiver, a remote radio unit and a base station, which not only can reduce the suppression degree of a first transmitting filter and a second transmitting filter in a third receiving working frequency band, but also is simple in structure, and the size of a quadruplexer and the size of a duplexer are relatively small, so that the manufacturing and assembling difficulty of the transceiver is small, and the cost is low. The transceiver comprises a first transmitting module, a second transmitting module, a quadruplexer, a duplexer and a combiner. The first transmitting module is connected with the quadplexer, the second transmitting module is connected with the duplexer, and the quadplexer and the duplexer are both connected with the combiner. The first transmitting module is used for transmitting the first transmitting radio frequency signal to the quadplexer. And the second transmitting module is used for transmitting the second transmitting radio frequency signal to the duplexer. The quadplexer is used for transmitting the first emission radio frequency signal to the combiner. The duplexer is used for transmitting the second emission radio frequency signal to the combiner. The combiner is used for outputting the first transmission radio frequency signal and / or the second transmission radio frequency signal.

The invention discloses a frequency duplex synthesis method for realizing a terahertz ultra-wideband frequency multiplier, and relates to the technical field of submillimeter wave / terahertz solid-state frequency multipliers, a'frequency division-frequency multiplication-frequency combination 'duplex circuit architecture is adopted, a frequency division circuit and a frequency combination circuit are both based on a hybrid network type waveguide duplexer design, and the frequency division-frequency multiplication-frequency combination duplex circuit design is adopted. The frequency multiplier circuit is realized by adopting a hybrid integrated frequency doubler, the cost is low, the cavity structure is completely processed by adopting a CNC milling process, and the solid-state characteristic is realized; therefore, under the condition that the frequency doubling / frequency conversion efficiency is not reduced, the frequency doubler capable of covering the full frequency band of 170-260GHz (WR-4 frequency band) can be realized, namely, the double advantages of wide frequency band and high efficiency of the frequency doubler are considered, and the technical problem that the wide frequency band and the high efficiency of a submillimeter wave / terahertz schottky frequency doubler at the present stage cannot be achieved at the same time is solved.

A communication circuit includes a transmission terminal to which a transmission signal is supplied, a first duplexer that has a transmission node, a reception node, and a common node, a first filter that has a first end part electrically connected to the common node of the first duplexer and a second end part electrically connected to an antenna terminal, a first auxiliary output terminal that outputs the transmission signal to an external circuit, an inductor that is part of a second filter and has a first end part and a second end part that is electrically connected to the first auxiliary output terminal, and a first switch that switches the electrical connection destination of the transmission terminal between the transmission node of the first duplexer and the first end part of the inductor.

The invention relates to the technical field of signal detection, and discloses a passive intermodulation signal detection system and method.The system comprises a digital-to-analog converter, a connecting position, an analog-to-digital converter, a cross-correlation operation module and a duplexer, the digital-to-analog converter is arranged at the signal upstream of the connecting position, and the analog-to-digital converter is arranged at the signal downstream of the connecting position; the duplexer is arranged at the signal downstream of the digital-to-analog converter and the signal upstream of the analog-to-digital converter, the joint is electrically connected with the duplexer, and the cross-correlation operation module is electrically connected with the signal upstream of the digital-to-analog converter and the signal downstream of the analog-to-digital converter respectively. The problems of low detection accuracy and the like in the prior art are solved.

The present invention discloses a non-magnetic simultaneous transmit and receive (STAR) duplexer for terahertz communication and sensing integration, which includes a dielectric substrate, a microstrip stepped impedance filter, varactor diodes, terahertz signal input / output ports, modulation signal input ports, ground ports, and a Y-shaped microstrip transmission line connection. Through the design of distributed parameter circuits, the present invention overcomes the problem of mismatch of the non-magnetic STAR duplexer with lumped parameter circuits at high frequencies. The main structure of the present invention is composed of a microstrip circuit. The ports connecting the external modulation signal and the ground port include lumped element filters. The overall structure is simple and easy to process and integrate.

A frequency selector for superconducting parametric amplifiers. According to illustrative embodiments, a frequency selector system for superconducting parametric amplifiers may comprise a Josephson traveling wave parametric amplifier (JTWPA) for producing entangled photon pairs at signal frequency and idler frequency, a resonator electrically connected to the JTWPA for tuning the signal frequency and idler frequency to an application frequency, and an inverse diplexer electrically connected to the resonator for separating the signal frequency and the idler frequency. In some embodiments, a frequency selector system for superconducting parametric amplifiers, comprising a Josephson traveling wave parametric amplifier (JTWPA) for producing entangled photon pairs at signal frequency and idler frequency; a resonator electrically connected to the JTWPA for tuning the signal frequency and idler frequency to an application frequency; and a multiplexer electrically connected to the resonator for separating the signal frequency and the idler frequency.

The invention discloses a millimeter wave communication antenna broadband feed source network four-port device and an application method thereof, and relates to the technical field of microwave communication, the millimeter wave communication antenna broadband feed source network four-port device comprises a circular rectangular transition structure, a circular polarizer and an orthogonal mode coupling duplexer assembly which are integrated in sequence; the circular rectangular transition structure is used for corresponding conversion transition between the standard rectangular waveguide and the circular waveguide; the circular polarizer is provided with an orthogonal stepped ridge, so as to convert the circularly polarized wave into an orthogonal linearly polarized wave or convert the orthogonal linearly polarized wave into the circularly polarized wave corresponding to the signal receiving and transmitting direction; the orthogonal mode coupling diplexer assembly is used for separating the two paths of orthogonal linear polarized waves in the synthetic state or synthesizing the two paths of orthogonal linear polarized waves in the separated state corresponding to the signal receiving and transmitting direction, and can screen signals passing through a specific receiving and transmitting frequency band. The technical problems that in the prior art, a dual-polarized antenna technology for dual-channel communication is large in size, complex in structure and high in cost, and the overall performance is difficult to meet expected requirements are solved.

The application discloses a kind of compatible signal processing devices of measurement and control communication navigation, it is related to satellite measurement and control communication technical field.The device includes measurement and control mobile communication navigation signal access circuit, measurement and control communication navigation signal processing circuit, radio frequency transmitting signal amplification and receiving signal low noise amplification circuit, duplexer circuit, antenna circuit, power supply circuit.The device of the application measurement and control communication navigation signal processing unit and radio frequency antenna unit adopt one line pass interface, support integrated installation, also support radio frequency antenna unit external installation mode.The application adopts radio frequency unit and duplexer joint design, the isolation of transceiver channel interval is high, can guarantee the reliable reception of low-speed low-frequency spectral density measurement and control signal.The application adopts modular design, high degree of integration, the whole machine debugging workload is small, stable and reliable performance, interface is simple and flexible, simple structure.

The application discloses a high-isolation Ku-band full-bandwidth linear polarization duplexer for satellite communication, an E-plane rectangular waveguide is used for connecting a base mode TE 10 mode in a vertical polarization form in an uplink and outputting to a first E-plane 90-degree twist waveguide, the first E-plane 90-degree twist waveguide rotates a propagation direction of the base mode TE 10 mode by 90 degrees and then outputs to a vanished-mode ridge waveguide band-pass filter, the vanished-mode ridge waveguide band-pass filter selects the base mode TE 10 mode in the uplink and outputs to a second E-plane 90-degree twist waveguide, the second E-plane 90-degree twist waveguide rotates a propagation direction of the base mode TE 10 mode by 90 degrees and then outputs to an orthogonal mode coupler, the orthogonal mode coupler is used for converting the base mode TE 10 mode into a base mode TE 11 mode and then outputting and converting the base mode TE 11 mode into TE 01 mode, and outputting the TE 01 mode to a stepped impedance filter, the stepped impedance filter selects TE 01 mode in a downlink, and outputting the TE 01 mode to a copper drum H-plane rectangular waveguide; the application has the advantages of simple structure, wide working frequency band and the ability to cover the whole Ku-band bandwidth.

The invention provides a three-mode dielectric resonator which comprises a dielectric block, the dielectric block is provided with a pair of first resonant blind holes, a pair of second resonant blind holes and a third resonant blind hole, the first resonant blind holes are arranged along a first diagonal direction of the dielectric block and used for forming a first resonant mode, and the second resonant blind holes are arranged along a second diagonal direction of the dielectric block and used for forming a third resonant mode. The pair of second resonance blind holes are arranged along a second diagonal direction of the dielectric block and are used for forming a second resonance mode, the third resonance blind holes are used for forming a third resonance mode, and the first diagonal direction and the second diagonal direction intersect with each other. The invention also provides a dielectric waveguide filter and a dielectric waveguide duplexer using the resonator unit. When the resonator unit is used for designing a dielectric waveguide filter, a three-mode waveguide structure with independently adjustable resonant modes is realized, multiple resonant modes are realized under the same volume, the overall Q value benefit is achieved, and the resonator unit has the advantages of miniaturization and high Q value benefit.

The invention discloses a communication antenna and a communication system, and belongs to the technical field of antennas. The communication antenna comprises a plurality of improved PIFA antenna units, and each antenna unit is arranged on the same plane grounding plate in a circumferential array mode. Besides, the feed phases of the four units are set to be equal-amplitude excitation which is lagged by 90 degrees in sequence, so that radiation fields of the four units are subjected to vector synthesis in a far-field space, and left-hand circularly polarized waves are formed. The communication antenna has the advantages of being low in cost, low in profile, light in weight, easy to process and good in broadband circular polarization performance, and meanwhile a high-performance PA, a low-noise LNA and a duplexer with high isolation and high suppression degree are adopted in a communication system circuit. Therefore, the whole system is excellent in transmitting power, receiving sensitivity and anti-interference capability, and high-quality and uninterrupted satellite communication in a vehicle-mounted environment is ensured.

The invention discloses an S-band radio frequency transceiving component, which comprises a receiving and transmitting frequency unit, a digital processing chip unit and a power supply module, and is characterized in that the receiving and transmitting frequency unit is connected with an external antenna array plane unit, and multiplexing and separation of radio frequency transceiving signals are realized at a front intermediate frequency mode end through a duplexer channel; the digital processing chip unit is used for realizing analysis of an instruction sent by an external upper computer to the component, transmitting the instruction to a controlled device to complete control, receiving intermediate frequency signals output by the output ends of the receiving and transmitting frequency units, and transmitting related detection information back to the upper computer; and the power supply module is used for supplying energy to the unit components. Compared with a low-frequency band, the module can provide a higher data transmission rate, and has the advantages of high circuit integration degree, small size, compact structure, high reliability and the like.

A diplexer according to an embodiment of the present disclosure may comprise: a first filter circuit configured to pass signals in a first frequency band; and a second filter circuit configured to pass signals in a second frequency band. The first filter circuit may include a first acoustic resonator and a first LC filter, configured not to pass signals in a third frequency band. The second filter circuit may include a second acoustic resonator and a second LC filter, configured not to pass signals in a fourth frequency band.