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IP Surveillance, CCTV, Security Services, Personal Safety, Police Equipment
Contact Us
  • Shenzhen Safe Guard Co., Ltd

  • Country: China
  • City: Shenzhen
  • Address: Room L, Floor 21st, Block 9C, Baoneng Science & Tech Park, Longhua Dist.
  • Contact Person: Erin Qiu

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Key Specifications
Wireless COFDM 4CH AV Receiver with DVR

Model: SG-CH4

Features of cofdm digital receiver:

*H.264 video compression, DVD video quality;

*Modular design and highly integrated;

*17" Standard Samsung LCD screen;

*Built in 120G SSD memory;

*Support 4 channels

*Support RS485/RS232 and av signals transmission simultaneously;

*Advanced data encryption for the security;

*NTSC/PAL automatically adapt, support user adjustable;

*Supports high-speed mobile NLOS ( Non Light Of Sight ) reception;

*Adjustable working frequency, bandwidth, RF power and etc;

*COFDM modulation, Stable signal reception;

*Custom made for HDMI/SDI hd interface output.

Parameters of LCD screen 4-channel cofdm mobile wireless av receiver

Model: SG-CH4

LCD screen 4-channel cofdm mobile wireless av receiver

Frequency;300-800MHz/1.2G/2.4G/4.4GHz (optional)


LCD monitor;


RF Level Input;-105dBm~-20dBm

RF Interface;N(F)

AV output;BNC


Power supply;AC220V / DC12V

Bandwidth;2/2.5/4/8MHz (adjustable)


Data control interface;Standard RS232/RS485/TTL level,9600,8,N,1

RS232/RS485 data interface;Standard RS232/RS485 level ,support 1200~115200

FEC;1/2,2/3,3/4,5/6,7/8 (optional)

Guard Interval;1/32,1/16,1/8,1/4 (optional)

Video Output;1 line PAL/NTSC analog video

Video Decoding;H.264/ MPEG-4

Resolution;720×576(PAL) , 720×480(NTSC)

Lines of horizontal;625 or 525 Line

Audio Output;Analog stereo left and right channels

Data encryption;AES

Voltage;AC220V±20V, DC14V~DC16V

Work environment;-30~70°

Built in Battery;30000mA



LCD screen 4-channel cofdm mobile wireless av receiver monitor
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