4120P Portable Network Bridge

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4120P network is a two-way wireless bridge system developed for non-line-of-sight applications. It can transmit two-way full-duplex images, voice , data and can run all network applications as long as the data rate of application is within the allowable range. The system provides 2 * 1.7Mbps ~ 2 * 30 Mbps Ethernet bandwidth.Can support high-speed mobile carrier (car, ship, aircraft) in the computer directly connect to the headquarters

4120P can transmit high-quality video images in high-rises cities or in environments with serious multipath effects (sea clutter) such as sea surface.It has excellent "diffraction" ability and "penetration" ability of buildings, which can achieve a wide range of coverage without the need for directional antenna.It can work stably and reliably on all kinds of moving platforms such as vehicles, ships and aircraft.


P1 4110P Outside Look





1)  Upstream and downstream 2 * 1.7Mbps ~ 2 * 30 Mbps data bandwidth

2)  Under the condition of multiple base stations, all front-ends can roam and switch between base stations

3)  All online front-end can upload the information collected by the positioning module to the scheduling management platform in real time

4)  All online front-end can receive the broadcast voice and data sent by the scheduling management platform

5)  The front-end can upload Ethernet data and realize transparent transmission of two-way IP data

6)The front end of the mobile station is equipped with two power supply modes, AC220V and DC12V.DC12V output from dc power box is directly collected through DC power box or AC mains power supply. DC12V output from DC power box is processed by special modules including power supply voltage stabilizer, filter circuit, switching power supply, etc., to supply power for electronic equipment and ensure the reliability of the system


l  Emission center frequency point:415M,420M,425M,430,440M,445M,450M,460M,465M(Adjustable within bandwidth)

Receive center frequency point:210M,215M,220M,235M,240M,245M,375M,380M,385M,390M(Adjustable within bandwidth)

Channel Bandwidth:2MHz

Way of encryption:AES,128secret key

Transport Delay:<50ms

Data input:data volume should less than bandwidth

Transmitted Power:20W

transmit distance:>30km,NLOS;>200km,LOS

Power supply:Built-in lithium battery /220VAC

Power consumption:<250W

Size: 580×460×320mm


Working temperature:-40℃~﹢60℃

Working Humidity:<95%,non-condensing

 Storage Temperature:-40℃~﹢80℃

Main Interface

Data Input/output:RJ45

Antenna Interface:N type

GPS Antenna Interface: SMA point

Power interface: 220VAC, three-core air plug; 12V output, four-core air plug; charging, five-core air plug

Equipment Interface, button and Indicator


[1]——Spare 12V output switch

[2]——AC220V Switching Switch for Power Supply or Lithium Battery Supply

[3]——Equipment start switch;

[4]——AC 220V Power interface, three-core air plug; 12V output, four-core air plug; charging, five-core air plug

[5]——The residual power of the internal lithium battery displayed.

[6]——transmitting antenna interface, N type, 50Ω; receiving antenna interface, N type, 50Ω

[7]——Antenna Interface: SMA point;

[8]——Data input/wireless telephone/bridge motherboard configuration, waterproof Rj45 interface,bandwidth, locking or not, receiving equal information

[9]——Information display screen, displaying working frequency, channel bandwidth, locking or not, receiving equal information

 [10]——Control button area for professional personnel to test and debug equipment, non-professional personnel do not move


[11]——Received signal strength indicator, a total of three, yellow-green, the more lights the stronger the received signal

[12]——Band switch, used to switch different receiving channels.



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