Cofdm Video Transmitter with Two-Way Audio

• Customization: Available
• Dimension: 238mm×140mm×75mm
• Weight: 2.5kg
• Model NO.: MV2025TBHE-A
• Modulation: Qpsk, 16qam, 64qam
• Oscillator Circuit: LC or Crystal Oscillator
• Transport Package: Carton
• Specification: SGS
• Trademark: ALLTECH
• Origin: Shenzhen, China
• Production Capacity: 5000pieces/Year

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 V			DC12V~DC16V
Working current A			≤[email protected]
Video Transmission
Frequency output range		300MHz~450MHz,560~760MHz or user customized
RF bandwidth MHz		1.25/2.5MHz or 6/7/8MHz
Power output		21~36dBm power output adjustable with 1dB step
C/N		≥28dB@32dBm
SHG		>52dBc
Encryption		AES/ALLTECH Basic scrambling
Modulation		COFDM
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
GUI	1/4, 1/8, 1/16, 1/32 optional
Video encoding	MPEG-2/MPEG-4
Video input level	1~1.2Vp-p@75Ω
Video input format	PAL/NTSC
Video resolution	720x576(PAL)  720x480(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
Delay	60ms
Audio Receiving
Audio Rx frequency range			470.05~479.950MHz, 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)
Environment
Protect standard		IP66, dustproof and rainproof
Workin temperature		-25°C~55°C
Storage temperature		-40°C~70°C
Appearance
Dimension			238mm×140mm×75mm
Weight			2.5Kg