Drones Accessories Long Range Wireless Video and Audio Transmission Modules

Drones Accessories Wireless AV Transimission ModulesFunctions & Features: N ABS/AES encryption N Duplex-audio communication and GPS functions N Working frequency directly adjustable on panel N Working bandwidth adjustable range upto 200MHz N Double lithium batteries with more than 4 hours' lasting time N One-channel video and two-channel audio (left/right channel) simultaneously input N Left/right channel audio and unbalanced stereo input N Transmitter power output adjustable N GFSK digital audio modulation, narrow receiving bandwidth and high sensitivity N Good voice quality with internal en/decryption N Audio frequency adjustable with built-in 64 channels and 24 addresses N aluminium alloy case, waterproof, dustproof and good impact resistance N standard frame carrier, fully-enclosed waterproof case for higher system safety   Power SupplyWorking voltage VDC12V~DC16VWorking current A≤2.8A@DC12.5VVideo TransmissionFrequency output range300MHz~450MHz,560~760MHz or user customizedRF bandwidth MHz2MHz (fixed)Power output21~36dBm power output adjustable with 1dB stepC/N≥28dB@32dBmSHG>52dBcEncryptionAES/ALLTECH Basic scramblingModulationCOFDMConstellationQPSK,16QAM,64QAM optionalQPSK/16QAM/64QAM @ 6/7/8MHzFEC1/2,2/3,3/4,5/6,7/8 optionalCarrier2KGUI1/4, 1/8, 1/16, 1/32 optionalVideo 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 output2.1Vp (open circuit output)GPS ReceivingSignal receivingL1(1575.42MHz), C/A codeCommunication protocolNMEA0183Sensitivity-165dBmAntennaActive antennaData baudrate4800bpsData refresh rate1HzEnvironmentProtect standardIP66, dustproof and rainproofWorking temperature-25°C~55°CStorage temperature-40°C~70°CAppearanceDimension238mm×140mm×75mmWeight2.5kg/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1