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IPDB › China Industry › Instruments & Meters

China, Chinese 2W Cofdm Mobile Video Transmitter with Duplex-Audio¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Transmitter Other Transmitters Cofdm Two-Way Voice

Shenzhen Keweitai Enterprise Co., Ltd.

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Product Description Functions & Features:ABS/AES encryptionDuplex-audio communicationWorking frequency adjustable within specified rangeMultiple bandwidth outputDouble lithium batteries with more than 4 hours' lastimg time continuouslyOne-channel video and two-channel audio (left/right channel) simultaneously inputLeft/right channel audio and unbalanced stereo inputTransmitter power output adjustableGFSK digital audio modulation, narrow receiving bandwidth and high sensitivityGood voice quality with internal en/decryptionAudio frequency adjustable with built-in 64 channels and 24 addressesFully-enclosed waterproof case, dustproof and good impact resistance Power SupplyWorking voltage VDC12V~DC16VWorking current A≤2.5A@DC12.5VVideo TransmissionFrequency output range300MHz~450MHz,560~760MHz or user customziedRF bandwidth MHz1.5/2/4/6/7/8MHz adjustablePower output21~36dBm power output adjustable with 1dB stepC/N≥28dB@32dBmSHG>52dBcEncryptionAES/ALLTECH Basic scramblingModulationCOFDMConstellationQPSK/16QAM @ 1.5/2MHzQPSK/16QAM/64QAM @ 6/7/8MHzFEC1/2,2/3,3/4,5/6,7/8 optionalCarrier2KGUI1/4, 1/8, 1/16, 1/32 opVideo encodingH.264Video input level1~1.2Vp-p@75ΩVideo input formatPAL/NTSCVideo resolution720x576(PAL) 720x480(NTSC)Video white bar amplitude mV650~720mVVideo synchronous amplitude mV260~275mVVideo amplitude-frequency characteristic dB0~4.8MHz-0.5~1.55.5MHz-4.0~1.5Audio inputLeft/right channel, stereoRS232 control interfaceStandard RS232 level, 9600, 8, N, 1RS232 data interfaceStandard RS232 level, support 1200~115200Audio ReceivingAudio Rx frequency range470.5~479.950MHz, factory setting:479.950MHzAudio Rx sensitivity≤-111dBmAudio Tx modulationGFSKFrequency step150KHzAudio decoding overall bitrate4800bpsAudio output2.1Vpp (open circuit output)EnvironmentProtect standardIP66, dustproof and rainproofWorking temperature-25°C~55°CStorage temperature-40°C~70°CAppearanceDimension238mm×140mm×75mmWeight2.5kg (without frame carrier and battery)

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