Product Ranges
IP Surveillance, CCTV, Intercoms, Transmission, Security Services, Police Equipment
Contact Us
  • Shenzhen Safe Guard CO.,LTD

  • Country: China
  • City: Shenzhen
  • Address: 9C-21L Baoneng Hi-tech Industrial Park, Longhua New Dist.
  • Contact Person: Cola Zhou

Key Specifications
COFDM broadcast wireless digital video transmitter


SG-HD105 designed for use with both HD and SD cameras, it’s an innovative product of wireless HD links for advanced and professional electronic news gathering, television outside broadcasts and studio applications. It adopts the latest COFDM (Coded Orthogonal Frequency Division Multiplexing) modulation technology and H.264 encoding that complete video audio transmission in high-speed motion and NLOS(non line of sight) conditions with low delay.


Main Feature

● Dual V mounts, one for camera mounted and another for Li-battery powered;

● Convenient to be carried and installed;

● COFDM modulation and H.264 video compression;

● Great security by AES encryption;

● Modular design and highly integrated;

● Full HD resolution, 1080i/P @60fps;

● Adjustable working frequency, LCD board displays the working frequency;

● Stable signal transfer in NLOS and high speed moving.



Working voltage V DC11~16V

Working current A 1.9A@DC12V

Frequency 300-4400MHz(option), choose 100MHz space

Bandwidth 2/2.5/4/8MHz(adjustable), 4/8MHz is for HD system

RF Power output 3-5W (adjustable)

SHG >52dBc

Modulation COFDM

Encryption AES user-defined password

Constellation QPSK,16QAM,64QAM optional

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

Carrier 2K,8K

Guard Interval 1/32,1/16,1/8,1/4 optional

Flatness Full band≤2dB, 8MHz≤0.5dB

AV input BNC

HD input SDI/HDMI(option)

Max speed rate 450km/h

Audio channel Stereo L/R audio channel

Audio encoding MPEG1 Layer2

Video resolution Minimum 1280*720 50i

Maximum 1920*1080 60P

Video coding H.264

Video bitrate 500kbps-16.68Mbps(auto-adaptation)

Format YcbCr4:2:2

Working Temperature -25℃~55℃

Storage Temperature -40℃~70℃

Dimension 180*85*110mm (without the dual V battery mount)

Weight 1.6kg(without the V battery mount)


For more information please email to

cofdm broadcast wireless digital video transmitter
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