CN213521879U - 2G, 3G and 4G integrated double-carrier portable detection equipment - Google Patents

Abstract

The utility model relates to a communication detection equipment technical field, in particular to 2G, 3G, the portable check out test set of 4G integration dual carrier, 234G dual carrier baseband board is connected with the radio frequency exchange board through 4 way radio frequency lines and4 way control signal, the radio frequency exchange board is connected with TDD wide band power amplifier through 2 way radio frequency lines, the radio frequency exchange board passes through 2 way radio frequency lines and is connected with FDD high frequency power amplifier, the radio frequency exchange board passes through 2 way radio frequency lines and is connected with FDD low frequency power amplifier, TDD wide band power amplifier, FDD high frequency power amplifier, FDD low frequency power amplifier is connected with 234G dual carrier baseband board through the data line respectively. Compared with the prior art, the utility model discloses a problem that prior art exists has been solved to 2G, 3G, the portable check out test set of 4G integration dual carrier, provides one kind and satisfies domestic 2G 3G 4G communication system and all work frequency channels simultaneously, and low-power consumption, and volume and weight all are suitable for portable check out test set.

Description

2G, 3G and 4G integrated double-carrier portable detection equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a communication detection equipment technical field, in particular to 2G, 3G, the portable check out test set of 4G integration dual carrier.

[ background of the invention ]

After the mobile communication enters the LTE era, the current network of the domestic operators has the coexistence of 2G (gsm), 3G (wcdma) and 4G (LTE-FDD and LTE-TDD), and operates on multiple frequency bands (Band5, Band8, Band3, Band1, Band39, Band34, Band40 and Band 41).

In the prior art, if a full-standard mobile phone identification code detection device is to be realized, the device is either a large device structure or a plurality of single-standard devices are combined for use, which is very inconvenient.

[ Utility model ] content

In order to overcome the above problems, the utility model provides a can effectively solve 2G, 3G, the portable monitoring equipment of 4G integration dual carrier wave of above-mentioned problem.

The utility model provides a technical scheme who above-mentioned technical problem provided is: the 2G, 3G and 4G integrated double-carrier portable detection device comprises a 234G double-carrier baseband board for processing double-carrier data and radio frequency signals, a TDD wideband power amplifier, an FDD high-frequency power amplifier, an FDD low-frequency power amplifier and a radio frequency exchange board for connecting the double-carrier signals to the corresponding power amplifiers according to control requirements; the 234G double-carrier baseband board is connected with the radio frequency exchange board through 4 paths of radio frequency lines and4 paths of control signals; the radio frequency exchange board is connected with the TDD broadband power amplifier through 2 paths of radio frequency lines; the radio frequency exchange board is connected with an FDD high-frequency power amplifier through 2 radio frequency lines; the radio frequency exchange board is connected with an FDD low-frequency power amplifier through 2 radio frequency lines; the TDD wideband power amplifier, the FDD high-frequency power amplifier and the FDD low-frequency power amplifier are respectively connected with a 234G double-carrier baseband board through data lines.

Preferably, the 2G, 3G, 4G integrated dual-carrier portable detection device includes an ethernet port, a GPS antenna port, and a WIFI antenna port, and the 234G dual-carrier baseband board is connected to the ethernet port through a network cable; the 234G double-carrier baseband board is connected with the GPS antenna port and the WIFI antenna port through radio frequency lines respectively.

Preferably, the 2G, 3G, 4G integrated dual-carrier portable detection device includes a swept-frequency antenna port, and the radio frequency switch board is connected to the swept-frequency antenna port through a radio frequency line.

Preferably, 2G, 3G, portable check out test set of 4G integrated dual carrier, including TDD antenna mouth, FDD high frequency antenna mouth, FDD low frequency antenna mouth, TDD wide band power amplifier passes through the radio frequency line and is connected with TDD antenna mouth, FDD high frequency power amplifier passes through the radio frequency line and is connected with FDD high frequency antenna mouth, FDD low frequency power amplifier passes through the radio frequency line and is connected with FDD low frequency antenna mouth.

Preferably, the portable 2G, 3G, 4G integrated dual-carrier detection device comprises a fan, a power input interface and a battery pack, wherein the 234G dual-carrier baseband board, the radio frequency exchange board, the TDD broadband power amplifier, the FDD high-frequency power amplifier, the FDD low-frequency power amplifier, the fan and the power input interface are respectively connected with the battery pack through power lines.

Preferably, the 234G dual-carrier baseband board is an OCTBTS3500 baseband board.

Preferably, the radio frequency exchange board is an IPC-RS47 radio frequency board.

Preferably, the TDD broadband power amplifier adopts a linear power amplifier with the model number of LTE 1826-002-T12.

Preferably, the FDD high-frequency power amplifier adopts a linear power amplifier with the model number of LTE 1821-002-F02.

Preferably, the FDD low-frequency power amplifier adopts a Cili 8696-2W linear power amplifier.

Compared with the prior art, the utility model discloses a creative multi-standard baseband processing board that has used of two carrier wave portable monitoring equipment of 2G, 3G, 4G integration, radio frequency switching technique and broadband power amplifier etc. have solved the problem that prior art exists, provide one kind and satisfy domestic 2G 3G 4G communication system and all working frequency channels simultaneously, and low-power consumption, volume and weight all are suitable for portable monitoring equipment.

[ description of the drawings ]

Fig. 1 is an exploded view of the 2G, 3G, and 4G integrated dual-carrier portable detection device of the present invention;

fig. 2 is a frame diagram of an internal circuit structure of the 2G, 3G, 4G integrated dual-carrier portable detection device of the present invention;

fig. 3 is a schematic diagram of the switching and control logic of the rf switch board of the 2G, 3G, and 4G integrated dual-carrier portable detection device of the present invention;

fig. 4 is a flowchart of the work flow of the 2G, 3G, 4G integrated dual carrier portable detecting device of the present invention.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that all directional indications (such as up, down, left, right, front, and back … …) in the embodiments of the present invention are limited to relative positions on a given view, not absolute positions.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, the portable 2G, 3G, 4G integrated dual carrier detection device of the present invention includes a 234G dual carrier baseband board 101, a radio frequency switch board 102, a TDD wideband power amplifier 103, an FDD high frequency power amplifier 104, an FDD low frequency power amplifier 105, a battery pack 106, a fan 107, a power input connector 108, a switch button 109, an ethernet port 110, an FDD high frequency antenna port 111, a frequency Sweep (SCAN) antenna port 112, a TDD antenna port 113, a GPS antenna port 114, an FDD low frequency antenna port 115, a WIFI antenna port 116, a bottom board 117, a middle supporting board 118, and an upper cover 119.

The 234G dual-carrier baseband board 101, the radio frequency exchange board 102 and the battery pack 106 are all mounted on the middle supporting plate 118.

The TDD wideband power amplifier 103, the FDD high frequency power amplifier 104 and the FDD low frequency power amplifier 105 are all arranged on the bottom plate 117.

The fan 107 is mounted on a left side housing integral with the base plate 117.

The power input connector 108, the switch button 109 and the ethernet port 110 are all mounted on a rear side housing integral with the backplane 117.

The FDD high-frequency antenna port 111, the frequency Sweep (SCAN) antenna port 112, the TDD antenna port 113, the GPS antenna port 114, the FDD low-frequency antenna port 115, and the WIFI antenna port 116 are sequentially mounted on the front housing integrated with the bottom plate 117.

The 234G dual-carrier baseband board 101 is connected to the radio frequency switch board 102 through 4 rf lines, and simultaneously 4 control signals are connected to the radio frequency switch board 102. The 234G dual-carrier baseband board 101 is connected with the Ethernet port 110 through a network cable; the 234G dual-carrier baseband board 101 is connected with a GPS antenna port 114 through a radio frequency line; the 234G dual-carrier baseband board 101 is connected with the WIFI antenna port 116 through a radio frequency line.

The radio frequency exchange board 102 is connected with a TDD broadband power amplifier 103 through 2 radio frequency lines, connected with an FDD high-frequency power amplifier 104 through 2 radio frequency lines, and connected with an FDD low-frequency power amplifier 105 through 2 radio frequency lines. The radio frequency switch board 102 is connected to a swept frequency (SCAN) antenna port 112 via a radio frequency line.

The TDD broadband power amplifier 103 is connected with the TDD antenna port 113 through a radio frequency line; the TDD wideband power amplifier 103 is connected with the 234G dual-carrier baseband board 101 through a data line, and a received signal is used for controlling the switching of Tx/Rx channels.

The FDD high-frequency power amplifier 104 is connected with an FDD high-frequency antenna port 111 through a radio frequency line; the FDD high-frequency power amplifier 104 is connected with the 234G double-carrier baseband board 101 through a data line, and a received signal is used for controlling the selection between bands in the high-frequency power amplifier.

The FDD low-frequency power amplifier 105 is connected with an FDD low-frequency antenna port 115 through a radio frequency line; the FDD low-frequency power amplifier 105 is connected with the 234G double-carrier baseband board 101 through a data line, and a received signal is used for controlling the selection between bands in the low-frequency power amplifier.

The 234G dual-carrier baseband board 101, the radio frequency exchange board 102, the TDD wideband power amplifier 103, the FDD high frequency power amplifier 104, the FDD low frequency power amplifier 105, the fan 107 and the power input interface 108 are respectively connected with the battery pack 106 through power lines. The battery pack 106 is connected with the switch button 109 through a power line on the output side, and then outputs power to each part, and 12V direct current power supply is adopted.

The bottom plate 117, the middle supporting plate 118 and the upper cover 119 are all made of metal materials.

The 234G dual-carrier baseband board 101 adopts a baseband board with the model number of OCTBTS3500, and is used for processing dual-carrier data and radio frequency signals; the OCTBTS3500 baseband board supports dual-baseband signal processing, comprises two DSP baseband processing units, provides a baseband data processing function of two carriers simultaneously, and generates dual-carrier signals; the dual carrier may be any combination of 2G (gsm), 3G (wcdma), 4G (LTE-TDD and LTE-FDD). OCTBTS3500 baseband board still provides functions such as board-mounted GPS, board-mounted WIFI, 1000Mbps Ethernet port, multi-channel control IO output. The 234G dual-carrier baseband board 101 comprises 4 paths of Tx and Rx signals and4 paths of IO control signal radio frequency exchange boards 102; 3 paths of IO control signals are respectively connected with a TDD broadband power amplifier 103, an FDD high-frequency power amplifier 104 and an FDD low-frequency power amplifier 105; the 234G dual-carrier baseband board 101 further has 1-channel signal connection GPS antenna port 114, 1-channel signal connection WIFI antenna port 116, and1 ethernet port 110.

The radio frequency exchange board 102 adopts a special radio frequency board with the model of IPC-RS47, is used for signal exchange and combination between a radio frequency interface of a 234G double-carrier baseband board 101 and a TDD wideband power amplifier 103, an FDD high-frequency power amplifier 104, an FDD low-frequency power amplifier 105 and a sweep frequency (SCAN) antenna port 112, is used for connecting double-carrier signals to corresponding power amplifiers according to control requirements, and each carrier can output amplified signals at any domestic working frequency point of 2G, 3G and 4G; the IPC-RS47 special radio frequency board realizes the exchange function of the radio frequency signal 4 in and 7 out. Under the control of 4 paths of IO signals, the radio frequency exchange board 102 branches, exchanges and multiplexes 4 paths of Tx and Rx input signals into 7 paths of output signals, wherein 2 paths of the 7 paths of output signals are FDD high-frequency Tx and Rx signals and are connected with an FDD high-frequency power amplifier 104; 2 paths of FDD low-frequency Tx and Rx signals are connected with an FDD low-frequency power amplifier 105; 2 paths of signals are TDD broadband Tx and Rx signals and are connected with a TDD broadband power amplifier 103; there is 1 way of SCAN signal connected to a swept frequency (SCAN) antenna port 112.

The TDD broadband power amplifier 103 adopts a linear power amplifier with the model number of LTE1826-002-T12, is used for filtering and amplifying 4G (TDD) transmitting and receiving signals, and is used for amplifying, filtering and combining transmitting Tx signals and receiving Rx signals of each frequency band of TDD; the LTE1826-002-T12 linear power amplifier supports broadband signals of 1880MHz-2700MHz, and is internally provided with multipath filters of three frequency bands (1880M-1920MHz, 2010M-2025MHz and 2300M-2690MHz), including 1880-1920MHz (Band39), 2010-2025MHz (Band34), 2300-2400MHz (Band40), 2515-2675MHz (Band38/41) and the like. The LTE1826-002-T12 linear power amplifier supports the maximum output power of 2W. The TDD broadband power amplifier 103 automatically filters Tx and Rx signals in the direction of the radio frequency switch board 102 through a built-in multi-path filter, and the Tx and Rx signals pass through one of Band39, Band34, Band40 and Band38/41 and enter an ANT3 antenna port, where an ANT3 antenna port is the TDD antenna port 113. The Tx and Rx control switching signals of the TDD wideband power amplifier 103 are one of the control IO provided by the 234G dual-carrier baseband board 101.

The FDD high-frequency power amplifier 104 adopts a linear power amplifier with the model number of LTE1821-002-F02, is used for filtering and amplifying 2G, 3G and 4G transmitting and receiving signals, and is used for amplifying, filtering and combining transmitting Tx signals and receiving Rx signals of an FDD high-frequency band; the LTE1821-002-F02 linear power amplifier supports downlink 1805-2170MHz broadband signals, and two duplexers are built in, including 1805-1880MHz (Band3) and 2110-2170MHz (Band 1). The LTE1821-002-F02 linear power amplifier supports the maximum output power of 2W. The FDD high-frequency power amplifier 104 selects one of the Band1 or the Band3 path to send to the ANT1 antenna port through the built-in duplexer for Tx and Rx signals in the direction of the radio frequency switch board 102 under the control of an IO signal, and the ANT1 antenna port is the FDD high-frequency antenna port 111.

The FDD low-frequency power amplifier 105 adopts a Cili 8696-2W linear power amplifier, is used for filtering and amplifying 2G, 3G and 4G transmitting and receiving signals, and is used for amplifying, filtering and combining a transmitting Tx signal and a receiving Rx signal of an FDD high-frequency band; the Cili 8696-2W linear power amplifier supports the 869-960MHz broadband signal, and two duplexers are built in, including 869-880MHz (Band5) and 935-960MHz (Band 8). The maximum output power of 2W is supported by the Cili 8696-2W linear power amplifier. The FDD low-frequency power amplifier 105 selects one of the Band5 or the Band8 path to send to the ANT2 antenna port through the built-in duplexer for Tx and Rx signals in the direction of the radio frequency switch board 102 under the control of an IO signal, and the ANT2 antenna port is the FDD low-frequency antenna port 115.

Referring to fig. 3, the dual carrier signals input from the 234G dual carrier baseband board 101 are TX1, TX2, RX1 and RX2, respectively, and are divided into 6 TX signal paths and8 RX signal paths by four rf selection switches (SW01/02/03/04), wherein three branches of the TX1 rf selection switch are a transmit FDD high frequency (T1-FH), a transmit FDD low frequency (T1-FL) and a transmit TDD path (T1-TD), and wherein four branches of the RX1 rf selection switch are a receive FDD high frequency (R1-FH), a receive FDD low frequency (R1-FL), a receive TDD channel (R1-TD) and a receive SN channel (R1-SN). The splitting method of TX2 and RX2 is the same as TX1 and RX 1. The control signals of the radio frequency selection switch are respectively that the carrier 1(TX1, RX1) is controlled by IO-1 and IO-3, and the carrier 2(TX2, RX2) is controlled by IO-2 and IO-4.

The 14 signal channels after splitting are combined into 7 output signals through 7 two-in-one combiners (CO-1/2/3/4/5/6/7), which are respectively a transmission channel FDD high frequency (TX-FDD-HF), a transmission channel FDD low frequency (TX-FDD-LF), a transmission channel TDD (TX-TDD), a reception channel FDD high frequency (RX-FDD-HF), a reception channel FDD low frequency (RX-FDD-LF), a reception channel TDD (RX-TDD), and a reception channel (RX-Sniffer).

The 7 paths of signals are output, and a transmitting channel FDD high frequency (TX-FDD-HF) and a receiving channel FDD high frequency (RX-FDD-HF) are connected with an FDD high frequency power amplifier 104; the transmitting channel FDD low frequency (TX-FDD-LF) and the receiving channel FDD low frequency (RX-FDD-LF) are connected with an FDD low frequency power amplifier 105; the transmitting path TDD (TX-TDD) and the receiving path TDD (RX-TDD) are connected with a TDD broadband power amplifier 103; the receive path (RX-Sniffer) is connected to the swept frequency (SCAN) antenna port 112.

The 234G dual carrier baseband board 101 has a high performance ARM processor, 2 DSP baseband processors, and 2-way radio frequency transceivers. The ARM processor comprises a software control center module, a network management interface module and four service modules. The four service modules are respectively an LTE protocol stack module, a WCDMA protocol stack module, a GMS protocol stack module and a frequency sweep module.

And the control center module is used for creating a software main thread and controlling all other modules and threads thereof.

And the network management interface module is used for creating a network management thread, providing a management interface for the outside and exchanging data with a service thread for the inside.

And the LTE protocol stack module can create an LTE-FDD thread and an LTE-TDD thread, and can exchange data with the LTE-PHY in the DSP1 or the DSP2 respectively to process LTE services. Under LTE dual carrier combination, two LTE threads may be created simultaneously exchanging data with the LTE-PHY in DSP1 and DSP2, respectively.

And the WCDMA protocol stack module is used for creating a WCDMA thread, exchanging data with the WCDMA-PHY in the DSP1 and the DSP2 respectively and processing WCDMA services. Under WCDMA dual carrier combination, two WCDMA threads may be created simultaneously exchanging data with the WCDMA-PHYs in DSP1 and DSP2, respectively.

GMS protocol stack module for creating GMS thread, exchanging data with GSM-PHY in DSP1 and DSP2, respectively, and processing GSM service. Under GSM dual carrier combination, two GSM threads may be created simultaneously exchanging data with the GSM-PHYs in DSP1 and DSP2, respectively.

And the frequency sweeping module is used for creating a frequency sweeping thread and simultaneously sequentially exchanging data with each PHY in the DSP1 and the DSP2 so as to realize the frequency sweeping function of LTE, WCDMA and GSM cells in the environment.

In the DSP1 and the DSP2, the LTE-PHY, the WCDMA-PHY and the GSM-PHY may cyclically alternate with each other.

Referring to fig. 4, the 2G, 3G, and 4G integrated dual-carrier portable detection device of the present invention can realize a plurality of functions, and introduce the work flow of a mobile phone service.

In some security areas, it is necessary to quickly check whether a working mobile phone exists and find it, the mobile phone is called a suspect mobile phone, and it must reside in a certain operator frequency point of 4G, 3G or 2G.

The device supports the scanning function of the frequency points and cells of the operators in the target environment, and the possible frequency points or frequency bands of all the operators in the specified country and region are preset in the device. In the frequency sweep mode, the frequency sweep thread and the double DSP work in a coordinated mode, and the LTE frequency sweep, the WCDMA frequency sweep and the GSM frequency sweep are started in sequence. For example, in China, LTE scans Band1, Band3, Band5, Band8, Band34, Band39, Band40 and Band41 in sequence; WCDMA scans Band1 and Band8 in turn, and GSM scans Band3 and Band8 in turn. After cell signals are scanned, the MIB and the main SIB are analyzed to obtain key information such as cell signal strength (RSRP), operator code (PLMN), frequency point (ARFCN), Physical Cell ID (PCI) or Primary Scrambling Code (PSC) and the like, and the same-frequency and different-frequency cell information of each cell.

The self-configuration algorithm extracts the key information, and screens and sorts the key information according to a certain algorithm to obtain a working parameter combination list, wherein the most main parameters are a working frequency point and a working mode.

And then, entering a working mode, starting the first group of working systems and frequency points by the equipment, wherein the first working system and frequency points are generally started from LTE in China. If the suspected mobile phone is currently resident on a certain frequency point of LTE, when the equipment also runs to the frequency point, the suspected mobile phone can be quickly switched into a cell with the same frequency point of the equipment from an operator cell, and in the signaling interaction process, the International Mobile Subscriber Identity (IMSI) of the suspected mobile phone can be obtained, wherein the number is globally unique and is stored in a mobile phone SIM card. If no suspect handset is found in the first group of working frequency points, switching to the second group of working system and frequency points after a certain time (generally, from tens of seconds to several minutes).

If a suspected mobile phone is found in a certain working frequency point, the carrier wave can be kept unchanged, and meanwhile, a measurement report of the mobile phone is initiated, and the function of searching the position of the mobile phone is completed independently or in cooperation with other tools.

The working mode of the dual carrier wave can be any one of the following combinations:

LTE-FDD1 and LTE-FDD2

LTE-TDD1 and LTE-TDD2

WCDMA1 and WCDMA2

GSM1 and GSM2

LTE-FDD1 and LTE-TDD1

LTE-FDD1 and WCDMA1

LTE-FDD1 and GSM1

LTE-TDD1 and WCDMA1

LTE-TDD1 and GSM1

WCDMA1 and GSM1

The working frequency point of the dual carrier wave can be any frequency point in the Band1\3\5\8\34\39\40\41 frequency Band.

Compared with the prior art, the utility model discloses a 2G, 3G, the portable check out test set of 4G integration dual carrier has following beneficial effect:

1. the utility model discloses a baseband board, support double carrier, every carrier can all support arbitrary system in 2G (GSM)/3G (WCDMA)/4G (LTE-TDD and LTE-FDD), and two carriers can be the arbitrary combination of these systems, still support the work of switching over in real time between the system, and is very practical and convenient in the industry of listening.

2. The utility model adopts the broadband power amplifier and the built-in duplexer/filter technology to support all 8 working frequency bands of 234G in China; the traditional 8 power amplifiers and a plurality of external multi-channel duplexers/filters are combined into 3 power amplifier units, so that the size, weight, power consumption and complexity of the equipment are greatly reduced, and the portability of the equipment is realized.

3. The utility model discloses a radio frequency exchange technique of original creation realizes the arbitrary intercommunication of a plurality of frequency channels of the baseband signal of double carrier and a plurality of power amplifiers, has satisfactorily solved the limitation that the signal was enlargied among the conventional equipment for this equipment has very high practicality.

4. The utility model discloses an equipment supports independent frequency sweep function, has realized scanning 2G 3G 4G ambient signal on each frequency channel and the function of decoding, both can regard as the input source of equipment self-configuration work, also can work as and use for independent frequency sweep decoder.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.

Claims (10)

1. The portable detection equipment of 2G, 3G and 4G integrated double-carrier is characterized by comprising a 234G double-carrier baseband board for processing double-carrier data and radio frequency signals, a TDD broadband power amplifier, an FDD high-frequency power amplifier, an FDD low-frequency power amplifier and a radio frequency exchange board for connecting the double-carrier signals to the corresponding power amplifiers according to control requirements;

   the 234G double-carrier baseband board is connected with the radio frequency exchange board through 4 paths of radio frequency lines and4 paths of control signals;

   the radio frequency exchange board is connected with the TDD broadband power amplifier through 2 paths of radio frequency lines;

   the radio frequency exchange board is connected with an FDD high-frequency power amplifier through 2 radio frequency lines;

   the radio frequency exchange board is connected with an FDD low-frequency power amplifier through 2 radio frequency lines;

   the TDD wideband power amplifier, the FDD high-frequency power amplifier and the FDD low-frequency power amplifier are respectively connected with a 234G double-carrier baseband board through data lines.
2. 2. The 2G, 3G, 4G integrated dual-carrier portable detection device according to claim 1, comprising an ethernet port, a GPS antenna port, and a WIFI antenna port, wherein the 234G dual-carrier baseband board is connected to the ethernet port through a network cable; the 234G double-carrier baseband board is connected with the GPS antenna port and the WIFI antenna port through radio frequency lines respectively.
3. 3. The 2G, 3G, 4G integrated dual carrier portable detection device of claim 1, comprising a swept-frequency antenna port, wherein the RF switch board is connected to the swept-frequency antenna port via an RF line.
4. 4. The portable 2G, 3G and 4G dual-carrier detection device as claimed in claim 1, comprising a TDD antenna port, an FDD high frequency antenna port and an FDD low frequency antenna port, wherein the TDD wideband power amplifier is connected to the TDD antenna port via a radio frequency cable, the FDD high frequency power amplifier is connected to the FDD high frequency antenna port via a radio frequency cable, and the FDD low frequency power amplifier is connected to the FDD low frequency antenna port via a radio frequency cable.
5. 5. The portable 2G, 3G and 4G integrated dual-carrier detection device according to claim 1, comprising a fan, a power input interface and a battery pack, wherein the 234G dual-carrier baseband board, the radio frequency switch board, the TDD wideband power amplifier, the FDD high frequency power amplifier, the FDD low frequency power amplifier, the fan and the power input interface are respectively connected to the battery pack through power lines.
6. 6. The 2G, 3G, 4G integrated dual carrier portable detector of claim 1, wherein the 234G dual carrier baseband board is a model number OCTBTS3500 baseband board.
7. 7. The 2G, 3G and 4G integrated dual-carrier portable detection device as claimed in claim 1, wherein the radio frequency switch board is IPC-RS47 radio frequency board.
8. 8. The 2G, 3G and 4G integrated dual-carrier portable detection device of claim 1, wherein the TDD broadband power amplifier is a linear power amplifier of the type LTE 1826-002-T12.
9. 9. The 2G, 3G and 4G integrated dual-carrier portable detection device of claim 1, wherein the FDD high frequency power amplifier is a linear power amplifier of the type LTE 1821-002-F02.
10. 10. The portable 2G, 3G, 4G integrated dual carrier detection device according to claim 1, wherein the FDD low frequency power amplifier is a Cili 8696-2W linear power amplifier.

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