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Introduction
The vehicle mountable transmitter is the ideal solution for establishing rugged wireless video links in all environments including high-speed motion and urban environments by adopting the latest technologies of COFDM modulation and MPEG-2/MPEG-4 video compression which can guarantee the high quality of NLOS transmission. This system has been widely used in police security, fire fighting, traffic control; etc such fields being mounted in a car or helicopter to transmit the real-time audio and video signals to the command center.
Features
Inset high-powered amplifier and cooling fans
Stable transmission with Omni-directional antenna
COFDM modulation and MPEG-2 video compression
Adjustable working frequency, LCD board displays the working frequency
Great security by encryption of AES 128 bit/ALLTECH Basic Scrambling
Good transmission with high definition image and stereo audio
Stable transmission in NLOS (non line-of-sight) condition and high-speed motion..
Transmission range can be up to 3-50km in NLOS (non line-of-sight) condition; more than 50km in LOS (line-of-sight) environment.
In the urban and mountainous environments, the vehicle mountable transmitter is the most suitable equipment that can realize the NLOS (non line-of-sight) transmission in high-speed mobile condition. Furthermore, this system is high-powered and can realize the longer-range transmission (3-50 km in NLOS condition).
Transmitter Specification
Frequency | 300-399MHz, 400-500MHz (customized) |
560-760MHz, 760-860MHz (customized) | |
1.0-1.4GHz (customized),2.3-2.5GHz (customized) | |
Frequency is adjustable continuously | |
Bandwidth | MV2000TJ20: 6/7/8 MHz; MV2025TJ20E: 1.25/2.5MHz ,6/7/8 MHz (optional) |
Power Output | 41.5dBm~43.5dBm |
Impedance | 50 Ω |
RF Interface | N female |
Modulation | COFDM |
Constellation | QPSK, 16QAM, 64QAM (optional) |
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
Guard Interval | 1/4, 1/8, 1/16, 1/32 |
Coding Mode | MPEG-2 / MPEG-4 (optional) |
Audio Input | Stereo |
Antenna Interface | x1 |
Audio Input | x2 |
Video Input | 1Vp-p~1.2Vp-p @ 75Ω |
Encryption | AES 128 bit / ALLTECH Basic scrambling |
RS232 serial port for configuration | |
Temperature | -25°C~ +45°C |
AC Input | AC220V50Hz ≤ 2A @ AC220V |
Power Consumption | 160W ( Max ) |
Dimension | 467mm*425mm*132mm (3U Aluminum alloy box) |
Weight | 13.8kg |
COFDM vehicle mount transmission system