Long Range Vehicle Mountable Cofdm Transmitter

• Customization: Available
• Size: Vehicle Type
• Color: White
• Model NO.: MV2500TJ20F-AGR/264
• Application: Video Transmission
• Modulation: Cofdm
• Oscillator Circuit: LC or Crystal Oscillator
• Transport Package: Paper Cartons
• Specification: SGS CE
• Trademark: ALLTECH
• Origin: China
• Production Capacity: 5000/Year

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, 7/8 optional
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	-25~55
Storage temperature	-40~70
Appearance
Dimension		430mm×400mm×88mm
Weight		8.6kg