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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: ALLTECH
  • Model Number: MV2025TXME-A

Packaging & Delivery

Packaging Details carton
Delivery Time 2-4 weeks

Specifications

COFDM modulation and MPEG-2 video compression;
Adjustable voice working frequency;
NLOS and mobile transmission

                     

System Introduction
MV2025TXME-A transmitter is especially designed for firefighting application. The aluminium enclosure is waterproof and shakeproof. It can work in severe environment. The whole system adopts the latest technologies of COFDM modulation and MPEG-2 image compression that enables good NLOS (Non line-of -sight) transmission with DVD quality video. The transmitter is highly integrated and compact size with power amplifier for longer-range transmission. The AES 128 bit encryption and ALLTECH Basic Scrambling ensure the transmission security. In addition, the two-way voice intercommunication strengthens the function and utility of the system. By two-way voice intercommunication, the first responder can get dictation from the commanding center.

 

Features

ABS encryption for transmission security, two-way voice communication
Strong aluminum enclosure, waterproof, shakeproof
Totally enclosed type for system protection
NLOS and mobile transmission
Adjustable working frequency
Military standard connector; Lithium battery for power supply of the system
COFDM modulation and MPEG-2 video compression mode ensure the DVD video quality
Diversity receiving; Audio/Video simultaneous transmission by the omni-directional antenna
Support one channel video input
Transmission distance can be 2-5km in Non line-of-sight condition
GFSK technology for the voice modulation
Narrow voice bandwidth, high receiving sensitivity
Adjustable voice working frequency
Selectable voice channel ( total 64 channels and 24 address) 

 

System Application
The product is new equipment in remote surveillance. The outstanding feature is voice intercommunication that strengthens the system with greater stability and practicability. The first responder can carry the equipment on the back to enter accident ground and then the transmitter send the camera's digital, compressed signals to the commanding vehicle. Especially, through the voice intercommunication, the first responder can get instructions from the commanding center.

 

Transmitter Specification

Working frequency
320~400MHz 560~760MHz(customized)
RF bandwidth
6/7/8MHz  or 1.25/2.5MHz
Power output
≥30dBm
C/N rate
≥25dB  32dBm
Modulation
OFDM
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
Guard interval
1/8, 1/16 @ 1.25/2.5MHz,
1/4, 1/8, 1/16, 1/32   6/7/8MHz
Video input
1~1.2Vp-p 75Ω
Magnitude-frequency(dB)
0~4.8MHz
5.5MHz
Audio input
Right/left, stereo
RS232 control interface
Standard RS232 level,9600,8,N,1
RS232 data interface
Standard RS232 level,support 1200~115200
Voice working frequency
475~479.950MHz          
(default: 479.950MHz)
Voice receiving sensitivity
≤-110dBm
Voice modulation
GFSK
Working frequency step
150KHz
Voice decode speed
4800bps
Audio output
2.1Vp(open circuit)
Working voltage
DC12V~DC16V
Working current
≤1A DC12.5V

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