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
100km long range COFDM wireles professional Video link

model: SG-HD25W


It’s a new powerful HD COFDM video audio transmitter, can up to 25W rf power output which support transmitting over a long distance.Using the core technology 4th generation mobile communication COFDM modulation and low delay full-HD 1080P(1920*1080) technique that can transmit high quality and stable image under the condition of fast moving or many buildings as obstacles(NLOS)

Suitable for vehicles - cars, boat - boats, cars - a building, ship – a base station, aircraft –a buiding/vehicle and etc. high-definition moving video signal transmission, the carrier velocity greater than 450 km / h.Widely used in public security, armed police, fire, field armies,other military departments and broadcasting, urban management, civil defense, transportation, customs, oil, mining, water, electricity, geology, finance and other relevant state departments.



*Full hd 1920*1080 resolution,support 1080P and 1080I;

*COFDM modulation,H.264 video compression mode;

*Built in with HDMI/HD-SDI and BNC interfaces;

*Support left/right stereo audio input and output;

*Low power consumption

*Strong heat resistance capacity with dual electric fans for better cooling capacity .

*Encrypted with AES128/256 bits

*PAL/NTSC self-adaption;

*low delay



Frequency: 300-900MHz,1.2G/2.4G/4.4GHz (option)

open 100MHz space to customer

RF Power: 15-25Watt(adjustable)

Voltage: DC11-14.5V


Modulation: COFDM 2K QPSK

Constellation: QPSK,16QAM,64QAM

RF Bandwidth: 2/2.5/4/8MHz(adjustable)

FEC: 1/2 2/3 3/4 7/8

Guard Interval: 1/32 1/16 1/8 1/4

Data Encryption: AES

Max speed: 450km/h

Video Input: BNC: D1 standard definition

HDMI: HD1080I/1080P, 720P, 576, 480

or SDI:HD1080I/1080P, 720P, 576, 480

Audio input: Stereo Left/Right channels

Video compression format: H.264

Video Resolution: 1080p/1080i@30fps, 1920*1080 definition

RF Interface: N

Work environment: -40℃~70℃

Video Format: PAL/NTSC(self-adaption)

Transmission Distance: 15km NLOS distance(on ground station)

50km LOS distance (at coastal areas)

Over 150km from UAV to ground

Case Material: Aluminum (black)

Size: 267*175*68mm

Weight: 4.5kg


For more information please email to

100km long range COFDM wireles professional Video link
Other Products
High Power Rugged Long Range COFDM Wireless Video Audio Transmitter
Tactical Wireless Long Range Video Transmitter AV Sender
Portable Handheld COFDM Wireless Video Remote Receiver
Tactical COFDM Wireless Video Receiver Remote Control Station for EOD Robot
Microwave Video Data Ground Control Station for UAV Communication
Best Price Manpack Wireless Communication and Surveillance Equipment
Tactical Military Robust Wireless Mobile IP MESH Networking Radio
1 of 4