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4 CH Commander COFDM Wireless Monitor Video Receiver Box
  • 4 CH Commander COFDM Wireless Monitor Video Receiver Box
  • 4 CH Commander COFDM Wireless Monitor Video Receiver Box
  • 4 CH Commander COFDM Wireless Monitor Video Receiver Box
  • 4 CH Commander COFDM Wireless Monitor Video Receiver Box
  • 4 CH Commander COFDM Wireless Monitor Video Receiver Box

4CH COFDM Receiver Box


Frequency Range 170~860MHz
Modulation COFDM
Video Decoding MPEG-2/H.264/MPEG-R
Audio/ video Output 4 channel
LCD Size 15 inches
Power Supply AC220V/DC12V <2A
Net Weight 10 kg



  • Product Detail
  • Product parameters
  • Related Products

1. Introduction:

 ST6204R is COFDM wireless vehicle-mounted monitor receiver.

The transmitter and receiver make up a completed AV transmission system.

The item is applied to fast-moving situations without line-of-sight for it is very senstive to the signal.

It adopts the current leading COFDM modulation technology to make the transmission signal stable. Meanwhile, the image is clear, stable and real-time for the DVD standard MPEG-2 image compression and codec technology.

The cameras also can be remote controlled with multi-function controlling keyboard.

2. Product Advantages:

  • 4CH AV can be showed at a time with high resolution

  • Built-in 4CH audio and video synchronization DVR

  • Support record, playback, storage, build-in 500G hard disk. From the box screen, the controller can see 4CH video at the same time. 

  • High-performance, high-capacity lithium battery (Battery can be replaced), can work 3-4 hours without interrupting. GPS customized.

  • Work in non-line-of-sight

  • Encryption available for transmitting ( RS232 ), two-way voice transmission

  • Stable signal and long range transmitting for the double antenna designing

  • Work well with fast moving. 3G wireless transmission function makes the transmitting distance is unlimited.

3. Application

Work with the vehicle-mounted series COFDM mobile transmitter.

It is applied to the technical surveillance and forensics for police and security inspection department.

4. Product Show

4 channel cofdm receiver boxlarge wireless video receiver solution

Image receive Frequency Range 170~860MHz  VHF & UHF/ four ways
Frequency Bandwidth 2/3/4/5/6/7/8MHz (Optional)
Low-noise amplifier gain 22dB
Amplifier noise figure Less than 1dBm
Filter bandwidth 20MHz
Receiving antenna bandwidth 16MHz
Power Splitter 1 input, 4 output
Power splitter loss 12dB
RF input level 64QAM ,-92dBm /16QAM ,-98dBm/QPSK, -104dBm
RF input impedance 50Ω
Number of RF input 2PCS
RF Interface N connector
Modulation COFDM
Constellation QPSK, 16QAM, 64QAM (Optional)
FEC 1/2,2/3,3/4,5/6,7/8 (Optional)
Carrier 2K
Guard Interval 1/32, 1/16, 1/8, 1/4 (Optional)
Video decoding MPEG-2MP@ML@ML/H.264/MPEG-R
Aspect Ratio 4:3, 16:9
Video Image 720*576@8MHz
Receiver parameters display The four receivers parameters display independent, set the parameters
parameters display stereo non-equilibrium 300/200 mV
Audio and video output 4 Audio output +4 Video output
decrypt 128 of the decryption,
Built-in battery capacity 40AH
Batterycharging voltage DC12.6V 3A
Power supply Support for dual power supply mode
Video recorder SD H.264 (optional without recorders, four image splitter output, the receiver USB video)
Display size 15 inch
Physical parameters Working Voltage AC220V / DC12V
Temperature -20°C~+50°C
Dimension 460*375*175mm
Weight 10kg


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