China Low Cost Cofdm Receiver of Rack Mount Type, Find details about China Cofdm Backpack Transmitter, Wireless Transmitter from Low Cost Cofdm Receiver of Rack Mount Type
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 | 1.25/2.5MHz or 6/7/8MHz | |
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 @ 1.25/2.5MHz QPSK/16QAM/64QAM @ 6/7/8MHz | |
FEC | 1/3, 2/3@ 1.25/2.5MHz 1/2, 2/3, 3/4, 5/6, 7/8 @ 6/7/8MHz | |
Carrier | 2K | |
GUI | 1/4, 1/8, 1/16, 1/32 optional | |
Video encoding | MPEG-2/MPEG-4 | |
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 | |
Delay | 60ms | |
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 |