Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
Annual Revenue:
9.12 Million USD
OEM/ODM Service

Cofdm Backpack Transmitter, Cofdm Manpack Transmitter, Two-Way Voice Communication Transmitter manufacturer / supplier in China, offering Cofdm Video Transmitter with Two-Way Audio, 200MW Cofdm Covert Transmitter 60ms Delay 30km Long Transmission Distance, Less Than 60ms Delay 30km Long Distance Cofdm Wireless Mobile Video Covert 500MW Transmitter and so on.

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Audited Supplier

Cofdm Video Transmitter with Two-Way Audio

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Min. Order: 1 Set
Production Capacity: 5000pieces/Year
Transport Package: Carton
Payment Terms: T/T, Western Union, USD cash
Dimension: 238mm×140mm×75mm
Weight: 2.5kg
Application: Mobile Video Transmission for Long Distance
Modulation: Qpsk, 16qam, 64qam
Oscillator Circuit: LC or Crystal Oscillator
Specification: SGS

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Basic Info

Model NO.: MV2025TBHE-A
Trademark: ALLTECH
Origin: Shenzhen, China

Product Description

Functions & Features:
- Supwer low latency
- ABS/AES encryption with encryption level optional
- Duplex-audio communication and digital encoding technology
- Working frequency adjustable within specified range
- Built-in high performance power amplifier
- Audio and video signal simultaneously input
- 1.25/2.5/6/7/8MHz multiple bandwidth adjustable
- Transmitter power output adjustable
- GFSK digital audio modulation, narrow audio receiving bandwidth, high sensitivity and good voice quality
- Fully-enclosed waterproof case, dustproof and good impact resistance
- Distance no less than 13km in LOS and 2-5km in NLOS
Power Supply
Working voltage VDC12V~DC16V
Working current A≤2.8A@DC12.5V
Video Transmission
Frequency output range300MHz~450MHz,560~760MHz or user customized
RF bandwidth MHz1.25/2.5MHz or 6/7/8MHz 
Power output21~36dBm power output adjustable with 1dB step
EncryptionAES/ALLTECH Basic scrambling
ConstellationQPSK/16QAM @ 1.25/2.5MHz
QPSK/16QAM/64QAM @ 6/7/8MHz
FEC1/3, 2/3@ 1.25/2.5MHz
1/2, 2/3, 3/4, 5/6, 7/8 @ 6/7/8MHz
GUI1/4, 1/8, 1/16, 1/32 optional
Video encodingMPEG-2/MPEG-4
Video input level1~1.2Vp-p@75Ω
Video input formatPAL/NTSC
Video resolution720x576(PAL)  720x480(NTSC)
Video white bar amplitude mV650~720mV
Video synchronous amplitude mV260~275mV
Video amplitude-frequency characteristic dB0~4.8MHz-0.5~1.5
Audio inputLeft/right channel, stereo
RS232 control interfaceStandard RS232 level, 9600, 8, N, 1
RS232 data interfaceStandard RS232 level, support 1200~115200
Audio Receiving
Audio Rx frequency range470.05~479.950MHz, factory setting:479.950MHz
Audio Rx sensitivity≤-111dBm
Audio Tx modulationGFSK
Frequency step150KHz
Audio decoding overall bitrate4800bps
Audio output2.1Vp (open circuit output)
Protect standardIP66, dustproof and rainproof
Workin temperature-25°C~55°C
Storage temperature-40°C~70°C

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