China Wireless Surveillance Security Monitoring Systems Audio & Video 2W Transmitter and Receiver, Find details about China Cofdm, Wireless Transmitter from Wireless Surveillance Security Monitoring Systems Audio & Video 2W Transmitter and Receiver
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 |
Power Supply | |||||
Working voltage V | AC220V±20V; DC12V~16V | ||||
Working current A | ≤3.5A@DC12.5V (if audio transmission is off) ≤7.5A@ DC12.5V (if audio transmission is on) | ||||
Video Receiving | |||||
Frequency input range | 170MHz~860MHz | ||||
RF bandwidth | 1.5/2/4/6/7/8MHz | ||||
Receiving sensitivity | -96dBm~-20dBm@8M, -106dBm~-20dBm@2M | ||||
Demodulation | COFDM | ||||
Decryption | AES/ALLTECH Basic Scrambling | ||||
Video output format | PAL/NTSC | ||||
Video decoding standard | H.264/MPEG2 compatible and self-adapted | ||||
Audio decoding standard | ISO/IEC11172-3 MPEG-1, ISO/IEC13818-3 MPEG-2 (Layer I&II) | ||||
Video output interface | CVBS×2, HDMI/DVI×1, YUV×1, SDI×1 (customize), ASI×1 (customize) | ||||
Video resolution (MAX) | 1920×1080 60i/50i | ||||
CVBS video output | Video output level | 1~1.2Vp-p@75Ω | |||
Video white bar amplitude mV | 650~720mV | ||||
Video synchronous amplitude mV | 260~275mV | ||||
Analog video amplitude-frequency characteristic dB | 0~4.8MHz | -0.5~1.5 | |||
5.5MHz | -4.0~1.5 | ||||
Analog audio outpout | Left/right channel, stereo | ||||
HD-SDI video output | Standard | SMPTE 425M (Level A and Level B), SMPTE 424M, SMPTE 292, SMPTE 259M-C SMPTE 272M SMPTE 299M | |||
Input amplitude mV | 800±80 | ||||
HDMI video output | Version | HDMI 1.3 | |||
HDCP protocol | Support | ||||
YUV/YPbPr/YCbCr | YPbPr@720P,YCbCr@1080i | ||||
RS232 control interface | Standard RS232 level, 9600, 8, N, 1 | ||||
RS232 data interface | Standard RS232 level, support 1200~115200 | ||||
Command | |||||
Command air baudrate | 600bps~19200bps | ||||
Power output | ≥32dBm | ||||
Keyboard communication protocol | Pelco-P such multiple protocols with baudrate adjustable | ||||
Keypress | Rubber button, numeric keypads, camera functions keys | ||||
Video Recording | |||||
Video format | PAL | ||||
Video resolution | 2CIF/4CIF, HD1080i(1920×1080),HD720P(1280×720) | ||||
Picture brightness adjustable range | 1~255 default 128 | ||||
Picture contrast adjustable range | 1~127 default 64 | ||||
Picture saturability adjustable range | 1~127 default 64 | ||||
Audio sampling frequency | 8KHz | ||||
Audio data format | ADPCM,G.711 A/U,G.726,AMR,AAC | ||||
Audio gain adjustable range | 0~100 | ||||
USB interface | USB2.0, mountable USD flash disk with HD1080i/P HD bitstream direct recording | ||||
Media video recording | SD card, USD flash disk, mobile HDD with HD1080i/P HD bitstream direct recording | ||||
Network interface | 10/100Base-T self-adapted Ethernet, RJ45 with HD1080i IP bitrate output | ||||
Audio Transmission | |||||
Audio Tx frequency | 470.5~479.950MHz; factory setting: 479.950MHz | ||||
Audio Tx power output | ≥40dBm | ||||
Audio Tx modulation | GFSK | ||||
SHG | >62dBc | ||||
Frequency interval | 150KHz | ||||
Audio encoding overall bitrate | 4800bps | ||||
Audio sampling | 8KHz 16bit | ||||
Audio Tx delay | 1~60s | ||||
Audio input signal strength (MAX) | 320mVpp | ||||
Environment | |||||
Working temperature | -25°C~55°C | ||||
Storage temperature | -40°C~70°C | ||||
Appearance | |||||
Dimension | 600mm×391mm×230mm | ||||
Weight | 10kg | ||||
Battery weight | 1.1kg | ||||
Color | Black |