China Uav Drones Portable Wireless Video Transmitter Tx, Find details about China Cofdm, Wireless Transmitter from Uav Drones Portable Wireless Video Transmitter Tx
Power Supply | |||||
Working voltage V | DC12V~DC16V | ||||
Working current A | ≤2.8A@DC12.5V | ||||
Video Transmission | |||||
Frequency output range | 300MHz~450MHz,560~760MHz or user customized | ||||
RF bandwidth MHz | 2MHz (fixed) | ||||
Power output | 21~36dBm power output adjustable with 1dB step | ||||
C/N | ≥28dB@32dBm | ||||
SHG | >52dBc | ||||
Encryption | AES/ALLTECH Basic scrambling | ||||
Modulation | COFDM | ||||
Constellation | QPSK,16QAM,64QAM optional QPSK/16QAM/64QAM @ 6/7/8MHz | ||||
FEC | 1/2,2/3,3/4,5/6,7/8 optional | ||||
Carrier | 2K | ||||
GUI | 1/4, 1/8, 1/16, 1/32 optional | ||||
Video encoding | H.264 | ||||
Video input level | 1~1.2Vp-p@75Ω | ||||
Video input format | PAL/NTSC | ||||
Video resolution | 720x576(PAL) 720x480(NTSC) | ||||
Video white bar amplitude mV | 650~720mV | ||||
Video synchronous amplitude mV | 260~275mV | ||||
Video amplitude-frequency characteristic dB | 0~4.8MHz | -0.5~1.5 | |||
5.5MHz | -4.0~1.5 | ||||
Audio input | Left/right channel, stereo | ||||
RS232 control interface | Standard RS232 level, 9600, 8, N, 1 | ||||
RS232 data interface | Standard RS232 level, support 1200~115200 | ||||
Audio Receiving | |||||
Audio Rx frequency range | 470.5~479.950MHz, factory setting:479.950MHz | ||||
Audio Rx sensitivity | ≤-111dBm | ||||
Audio Tx modulation | GFSK | ||||
Frequency step | 150KHz | ||||
Audio decoding overall bitrate | 4800bps | ||||
Audio output | 2.1Vp (open circuit output) | ||||
GPS Receiving | |||||
Signal receiving | L1(1575.42MHz), C/A code | ||||
Communication protocol | NMEA0183 | ||||
Sensitivity | -165dBm | ||||
Antenna | Active antenna | ||||
Data baudrate | 4800bps | ||||
Data refresh rate | 1Hz | ||||
Environment | |||||
Protect standard | IP66, dustproof and rainproof | ||||
Working temperature | -25°C~55°C | ||||
Storage temperature | -40°C~70°C | ||||
Appearance | |||||
Dimension | 238mm×140mm×75mm | ||||
Weight | 2.5kg |