Portable three-network 4G Internet of Things signal tester
By designing a portable 4G IoT signal tester with three networks, adopting a layered layout and built-in battery power supply, the problems of large size and single function of existing equipment are solved, realizing portable multi-signal testing and rapid diagnosis.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-24
- Publication Date
- 2026-03-20
AI Technical Summary
Existing 4G signal testing equipment is bulky, inconvenient to carry, and has limited functionality. It cannot be used in the field or in areas without power, and it cannot detect multiple signals simultaneously.
Design a portable 4G IoT signal tester with three circuit boards and three FPC antennas in a layered layout. It integrates signal acquisition, central processing, storage and communication modules, is powered by a built-in high-capacity lithium battery, supports China Mobile, China Telecom and China Unicom SIM cards, and enables simultaneous measurement of multiple signals.
It enables portable 4G signal testing, allowing testing to be conducted anytime and anywhere in areas without power, and supports simultaneous measurement of signals from three networks for rapid diagnosis.
Smart Images

Figure CN224021745U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to 4G signal test technical field, concretely related to a portable three network 4G internet of things signal tester. BACKGROUND
[0002] At present, when carrying out 4G signal test on site, most rely on professional equipment with large volume and inconvenient to carry, and these equipment often need external power supply, and the use is limited in some wild, remote areas or places without stable power supply. Moreover, the existing test equipment is relatively single in function, and can usually only detect one kind of signal. Therefore, it has important practical significance to develop a portable on-site 4G signal test instrument which is convenient to carry, comprehensive in function and simple to operate. SUMMARY
[0003] The utility model discloses a portable three network 4G internet of things signal tester to overcome the above-mentioned deficiencies existing in the prior art.
[0004] To achieve the above technical purpose, the technical scheme of the utility model is as follows:
[0005] A portable three network 4G internet of things signal tester, including the casing, three circuit boards and the antenna, the circuit board is integrated with signal acquisition module, central processing module, storage module, power management module and communication module, the antenna is used to receive 4G signal, and the signal transmission is given to signal acquisition module, signal acquisition module is used to convert the received analog signal into digital signal, and the digital signal transmission is given to central processing module, and central processing module carries out analysis processing to the received digital signal, and the analysis result is stored in storage module, and is transmitted to the remote intelligent terminal through communication module, three circuit boards are arranged in the inside of casing, and mobile SIM communication card slot, telecommunication SIM communication card slot and the communication card slot of union SIM card are integrated on three circuit boards respectively, and power management module is electrically connected with the battery.
[0006] Further, the casing includes a receiving portion and a shell cover disposed above the receiving portion, the three circuit boards and the battery are disposed in the receiving portion, the antenna has three, the three antennas are electrically connected with the signal acquisition modules on the three circuit boards respectively, the antenna adopts FPC antenna, and the antenna is pasted on the inner side of the shell cover.
[0007] The utility model has the advantages of:
[0008] The utility model discloses a portable design and built-in battery power supply function, so that the user can test 4G network signal anytime and anywhere, through setting up three independent signal plates in a casing, three independent antenna systems, three kinds of SIM communication cards of mobile, telecommunication, communication are inserted simultaneously, realize three network signals measurement simultaneously, maximum realization fast signal measurement, diagnosis. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the side sectional view of the test instrument accommodating part of the utility model embodiment;
[0010] Figure 2 It is the planar sectional view of the test instrument accommodating part of the utility model embodiment;
[0011] Figure 3 It is the real object picture when the test instrument closes the shell cover of the utility model embodiment;
[0012] Figure 4 It is the real object picture when the test instrument opens the shell cover of the utility model embodiment;
[0013] Figure 5 It is the circuit connection structure block diagram of the test instrument of the utility model embodiment;
[0014] Figure 6 It is the circuit diagram of the central processing module of the utility model embodiment;
[0015] Figure 7 It is the circuit diagram of the power management module of the utility model embodiment;
[0016] Figure 8 It is the circuit diagram of the communication module of the utility model embodiment;
[0017] Figure 9 It is the circuit diagram of the signal acquisition module of the utility model embodiment.
[0018] The drawings show:
[0019] 1 - casing;2 - circuit board;3 - antenna;4 - signal acquisition module;5 - central processing module;6 - storage module;7 - power management module;8 - communication module;9 - battery;10 - accommodating part;11 - shell cover. DETAILED DESCRIPTION
[0020] The technical scheme in the utility model embodiment is clearly and completely described below in combination with the drawings in the utility model embodiment.
[0021] As Figures 1-9As shown, according to the portable three-network 4G Internet of Things signal tester, three circuit boards 2 and an antenna 3 are arranged in the shell 1, the signal acquisition module 4, the central processing module 5, the storage module 6, the power management module 7 and the communication module 8 are integrated on the circuit board 2, the antenna 3 is used for receiving 4G signals and transmitting the signals to the signal acquisition module 4, the signal acquisition module 4 is used for converting the received analog signals into digital signals and transmitting the digital signals to the central processing module 5, the central processing module 5 analyzes and processes the received digital signals, stores the analysis results in the storage module 6 and transmits the analysis results to the remote intelligent terminal through the communication module 8, the three circuit boards 2 are arranged in the shell 1 in a stacked mode, the mobile SIM communication card slot, the telecom SIM communication card slot and the unicom SIM card communication card slot are respectively integrated on the three circuit boards 2, and the power management module 7 is electrically connected with the battery 9.
[0022] In the embodiment, as shown in the drawings, Figures 3-4 The shell 1 comprises a receiving portion 10 and a shell cover 11 arranged above the receiving portion 10, the three circuit boards 2 and the battery 9 are arranged in the receiving portion 10, the antenna 3 is provided with three (only one is shown in the drawings), the three antennas 3 are electrically connected with the signal acquisition modules 4 on the three circuit boards 2, the antenna 3 adopts an FPC antenna, and the antenna 3 is attached to the inner side of the shell cover 11.
[0023] The signal tester adopts a layered layout design. The battery 9 is located at the bottom of the device and adopts a high-capacity lithium battery to provide stable power support for the entire tester. The power management module 7 is above the battery 9, and the two are tightly connected through a wire harness to achieve efficient charge and discharge management. The signal acquisition module 4 and the central processing module 5 are located at the center position of the circuit board 2 to reduce interference in the signal transmission path and improve data processing efficiency. The storage module 6 is distributed around the central processing module 5 to facilitate fast storage and reading of data. The components are connected through the lines on the printed circuit board (PCB), and the layout is compact and reasonable, effectively reducing the size and weight of the device.
[0024] When the user presses the power switch to start the tester, the device first performs self-checking to check whether all components are working normally. After the self-checking is completed, the user can press the test start key, the signal acquisition module 4 starts to work, and 4G signals in the current environment are collected. The tester sends the test results to the remote intelligent terminal, such as the user's mobile phone APP. After the test is completed, the user can choose to store the test data in the local storage module 6 or export the data through the data interface.
[0025] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A portable 4G IoT signal tester with three networks, characterized in that, The device includes a housing (1), three circuit boards (2) and an antenna (3). The circuit boards (2) integrate a signal acquisition module (4), a central processing module (5), a storage module (6), a power management module (7) and a communication module (8). The antenna (3) is used to receive 4G signals and transmit the signals to the signal acquisition module (4). The signal acquisition module (4) is used to convert the received analog signals into digital signals and transmit the digital signals to the central processing module (5). The central processing module (5) analyzes and processes the received digital signals, stores the analysis results in the storage module (6), and transmits them to the remote smart terminal through the communication module (8). The three circuit boards (2) are stacked inside the housing (1). The three circuit boards (2) respectively integrate a mobile SIM card slot, a telecom SIM card slot and a Unicom SIM card slot. The power management module (7) is electrically connected to a battery (9).
2. The portable 4G IoT signal tester according to claim 1, characterized in that, The housing (1) includes a receiving part (10) and a cover (11) on the receiving part (10). The three circuit boards (2) and the battery (9) are all located in the receiving part (10). There are three antennas (3). The three antennas (3) are electrically connected to the signal acquisition modules (4) on the three circuit boards (2). The antennas (3) are FPC antennas. The antennas (3) are attached to the inside of the cover (11).