Guangdong, China
Business Type:
Manufacturer/Factory
Number of Employees:
185
Year of Establishment:
1997-10-09
Management System Certification:
ISO9001:2008
Annual Revenue:
9.12 Million USD
OEM/ODM Service

Cofdm, Video Transmitter, Wireless Transmitter manufacturer / supplier in China, offering Cofdm Vehicle Mount Video Transmitter, Full HD Wireless Mobile Rack Mount 4-CH Video/Audio Receiver, Cofdm Wireless Transmission OEM Board (HDMI and HD-SDI) and so on.

Gold Member Since 2014
Audited Supplier

Cofdm Vehicle Mount Video Transmitter

Get Latest Price
Min. Order: 1 Set
Production Capacity: 5000pieces/Year
Transport Package: Carton Paper
Payment Terms: T/T, Western Union, USD cash
Working Teperature: -25°c~55°c
Storage Temperature: -40°c~70°c
Dimension: 430mm×400mm×88mm
Weight: 8.6kg
Application: Data Transmission, Image Transmission, Video Transmission
Modulation: Qpsk, 16qam, 64qam

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Basic Info

Model NO.: MV2025TJ20F-AGR/264
Oscillator Circuit: LC or Crystal Oscillator
Trademark: ALLTECH
Specification: ISO9001, SGS
Origin: Shenzhen, China

Product Description

Functions & Features:
ABS encryption transmission
Built-in air-cooled radiator
19-inch standard casing design for convenient connection with standard rack
Aluminium alloy case with good impact resistance
Working frequency and other parameters directly display on panel
Power output and working frequency adjustable
Encrypted transmission for higher security
COFDM modulation and H.264 video compression for stable and high-quality A/V transmission
One-channel video and two-channel audio (left/right) simultaneously input
Left/right channel audio and unbalanced stereo input, one-channel audio output
1.5/2/4/6/7/8MHz multiple bandwidth output
Video input PAL/NTSC optional (default as PAL)
Power Supply
Working voltage V AC220V±20V
Working current A ≤0.7A@AC220V
12.5V
Video Transmisson
Frequency output range MHz 300MHz~450MHz,560~760MHz or user customized 
RF bandwidth MHz 1.5/2/4MHz,6/7/8MHz
Power output 30~45dBm(adjustable)
C/N ≥28dB @ 42dBm
SHG >62dBc
Encryption AES/ALLTECH Basic Scrambling
Modulation COFDM
Constellation QPSK/16QAM/64QAM
FEC 1/2, 2/3, 3/4, 5/6, 7/8optional
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 720×576(PAL)  720×480(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
Working temperature -25°C~55°C
Storage temperature -40°C~70°C
Appearance
Dimension 430mm×400mm×88mm
Weight 8.6kg

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