Product Characteristics
1. Multi frequency band direct frequency-change technology:150-900MHz,1.0G-1.7GHz,2.3G-2.7GHz(optional) 2. Multi bandwidth COFDM modulating, channel bandwidth8/4/2MHz(optional) 3. High-quality technology of MPEG2 Video encoding and decoding 4. Realizing high-quality transmission of real-time image and voice in high speed 5. Realizing high-quality transmission of real-time image and voice under the condition of NLOS 6. It can be hung behind the camera to share a piece of the battery with the camera and also can be used alone. 7. No fan, 0dB noise design
Technique Data
High-frequency unit
Operating Frequency 150-900MHz,1000-1700MHz,2300-2700MHz Transmitter maximum output power 500mW (optional) Channel bandwidth 8/4/2 MHz (optional) Receiver input level 0dBm --100 dBm (without LNA ) Antennal interface N (model), 50
Base Band Unit
OFDM subcarrier number 2K/8K(mode) Guard time interval 1/32,1/16,1/8,1/4(optional) Channel coding 1/2,2/3,3/4(optional) Modulating constellation diagram QPSK/16QAM/64QAM(optional)
System index
Transmission code rate 1.5 -32Mbit/s (adjustable) Receive threshold level -99dBm(10-6 BER) Transmission distance 500mW transmitter module above 1 kilometers(under the NLOS condition) Move speed receive steady at the speed of 200 kilometers mph
Video/Audio parameters
Image format PAL or NTSC composite video Image quality meet or exceed DVD effect Image Resolution 720x576(pixels) Compression standards MPEG-2,4:2:0,MP@ML Coding rate 1-20Mbps Audio in (double-track)12dBm Audio Coding 728Kbps (Stereo) Sampling frequency 32KHz Video/Audio interface RCA@75 (ohm unbalance)
Operating condition
Supply power DC12V/15V Overall power consumption 100W(output power=20W) Operating temperature -20drges- +55drges
Other
Control Users can choose a pre-determined eight channels through the panel |