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

Radio Receiver, Cofdm Video Receiver, Wireless Receiver manufacturer / supplier in China, offering Radio Receiver with Duplex Audio, Civilian Uav Smart Fast Use Drone with Gopro Camera, Uav Manufacturer Smart Quick Use Industrial Drone with Gopro Camera 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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