Gold Member Since 2014
Audited Supplier
Shenzhen Keweitai Enterprise Co., Ltd.

Radio Receiver, Cofdm Video Receiver, Wireless Receiver manufacturer / supplier in China, offering Radio Receiver with Duplex Audio, Uav Drone Police Multicopter/Quadcopter, 1080I Manpack Anti-Explosion Mobile Video Transmitter for Armed Police, Fire Fighter and so on.

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Radio Receiver with Duplex Audio

FOB Price: US $2,500 / Piece
Min. Order: 10 Sets
Min. Order FOB Price
10 Sets US $2,500/ Piece
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Production Capacity: 5000pieces/Year
Transport Package: Carton Paper
Payment Terms: T/T, Western Union, USD cash

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Basic Info
  • Model NO.: RJ8264
  • Application: Video Transmission, Data Transmission, Image Transmission
  • Receiver Chip: MC3362
  • Dimension: 482mm×360mm×44mm
  • Working Temperature: -25°c~55°c
  • Trademark: ALLTECH
  • Origin: Shenzhen, China
  • Type: Cofdm Video
  • Modulation: Qpsk, 16qam, 64qam
  • Oscillator Circuit: LC or Crystal Oscillator
  • Weight: 5.4kg
  • Storage Temperature: -40°c~70°c
  • Specification: ISO9001, SGS
Product Description

Radio Receiver with Duplex Audio
Radio Receiver with Duplex Audio
Radio Receiver with Duplex Audio
Functions & Features:

n   H.264 video compression output
n   High definition image and hi-fi stereo output
n   COFDM demodulation and high sensitivity
n   Full UI interface control
n   Multiple channel storage and management, one-key selection for decoding display
n   Product firmware and kernel updating
n   ABS/AES decryption
n   Diversity receiving technology with double antennas
n   Unidirectional RS232 data transmission (user data and GPS data)

Power Supply
Working voltage VAC220V±20V
Working current A≤1.5A@DC12.5V
Video Receiving
Frequency input range170MHz~860MHz
RF bandwidth2M/8M (fixed)
Input level-106dBm~-20dBm
Video decodingMPEG-2/H.264 self-adapted decoding
DecryptionAES/ALLTECH Basic Scrambling
ConstellationQPSK, 16QAM, 64QAM
FEC1/2, 2/3, 3/4, 5/6, 7/8
GUI1/4, 1/8, 1/16, 1/32
Video output level1~1.2Vp-p@75Ω
Video output formatPAL/NTSC
Video resolution1920×1080×60i/50i
Video white bar amplitude mV650~720mV
Video synchronous amplitude mV260~275mV
Video amplitude-frequency characteristic dB0~4.8MHz-0.5~1.5
Rx feed output voltageDC10.0V~DC12.0V
Rx feed output current (MAX)800mA@DC12V (MAX)
Audio outputLeft/right channel, stereo
Audio decoding standardISO/IEC11172-3 MPEG-1, ISO/IEC13818-3 MPEG-2 (Layer I&II)
RS232 data interfaceStandard RS232 level, support 1200~115200
Audio Transmission
Audio Tx frequency470.5~479.950MHz, factory setting: 479.950MHz
Audio Tx power output≥40dBm
Audio Tx modulationGFSK
Frequency interval150KHz
Stray emissionLess than 60dB
Audio encoding overall bitrate4800bps
Audio sample8KHz  16bit
Audio Tx delay1~60 S
MIC input signal strength (MAX)320mVpp
Conference microphone input signal strength (MAX)Normal MIC: 1.5Vpp; high-amplitude MIC: 15Vpp
Working temperature-25°C~55°C
Storage temperature-40°C~70°C

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