High-Quality COFDM Series Long DistanceHD Video Transmission Radio Manufacturer, Factories

1 / 5

High-Quality COFDM Series Long DistanceHD Video Transmission Radio Manufacturer, Factories

COFDM series long-distance HD video transmission radio is our company's development and production of long distance, low delay, unidirectional high-definition video transmission and bidirectional high-speed data transmission radio for the demand of Long-distance video transmission. The radio uses advanced SCFDE broadband modulation and demodulation and LDPC error correction codec technology, significantly improve the transmission distance and image quality of the radio, suitable for non-line-of-sight and high-speed mobile transmission, the airborne transmitter adopts a compact and portable heat dissipation structure design, which is convenient for the installation and use of drones. The airborne transmitter has a built-in 1watt/5watt linear power amplifier with a flying altitude of more than 100 meters, and can transmit 20 kilometers/50 kilometers or more distance without obstruction.

Send Inquiry

Product Description

The COFDM series long-distance HD video transmission radio is highly suitable for reconnaissance, public security, fire protection, traffic control, emergency rescue, customs border defense, maritime surveillance inspection, real-time broadcast, on-site monitoring, power line and pipeline inspection, plant protection, and other drone/unmanned aerial vehicle applications. It is perfectly designed for high-quality, real-time mobile video transmission in complex environments such as urban areas, seas, and mountains.

Key Characteristics

Long-distance Transmission: 1W/5W radio options, delivering a visible line-of-sight distance of 20 to 50 kilometers.

Anti-Multipath Capability: Outstanding performance in complex operating environments, supporting high-speed mobility over 600 km/h.

HD Video Encoding: Broadcast and surveillance level quality with HDMI/HD-SDI/CVBS adaptive inputs, supporting 4K/1080P/1080i/720P/576P.

Adjustable Bandwidth: Flexible 2/4/8MHz adjustable settings supporting multi-bandwidth, multi-bit rate, and multi-mode operations.

Secure Encryption: Multiple encryption protocols to prevent unauthorized interception and ensure secure data transmission.

Compact Modular Design: Small form factor, lightweight, and engineered for easy integration and deployment.

Low Power & Heat: Optimized for low power consumption and minimal heat generation, extending operational lifespan.

Bidirectional Data Module: Built-in module supporting 410-480/840-845/902-928MHz, conventional and frequency hopping modes.

Product Models & Transmitters

COFDM series-1WT Transmitter

HDMI | 1W: More than 20 km

Dimensions: 10.8 x 8.2 x 2.8 cm | Weight: 233g

COFDM series-5WT Transmitter

HDMI | 5W: More than 50 km

Dimensions: 10.8 x 9.0 x 2.8 cm | Weight: 289g

COFDM series-10WT Transmitter

HDMI | 10W: More than 50 km

Dimensions: 19.6 x 14.6 x 3.4 cm | Weight: 990g

COFDM series-0WR Receiver

Dimensions: 13.6 x 11.7 x 3.4 cm

Weight: 425g

COFDM Ground Low Delay CVBS Transmitter

3W: Above 3 km

Dimensions: 6.7 x 4.8 x 2.3 cm | Weight: 80g

Technical Specifications

Operating Frequency	300-350MHz or 560-610MHz (200MHz-2.7GHz can be customized)
Transmitting Power	1W / 5W / 10W
Receiving Sensitivity	-106dBm @ 2MHz
Modulation Coding	QPSK / 16QAM / 64QAM
Rf Bandwidth	2-8MHz adjustable
Transmission Stream	2-20Mbps adaptive
Forward Error Correction	1/2, 2/3, 3/4, 7/8
Protection Interval	1/4, 1/8, 1/16, 1/32
Carrier Number	2K
Power Flatness	Less than 0.2db in 10MHz band
Shoulder Ratio	When the output power is 27 dB, the band to shoulder ratio is better than -30 dB
Second Harmonic	≤ -65dB
Mer	32dB
Transmission Distance	1W: above 20km 5W: above 50km 10W: above 100km (sight distance)
Video Input	HDMI/SDI/CVBS: 720x480 60I(NTSC), 720x576 50I(PAL), 720 50P, 720 60P, 1080 50I, 1080 60I, 1080 24P, 1080 50P, 1080 60P (CVBS video input N/P adaptive)
Video Output	HDMI / RJ45 IP simultaneous output
Video Stream	2-20Mbps (H.264 / H.265)
Video Input Interface	HDMI / CVBS (Low latency)
Video Output Interface	HDMI
Video Coding Format	H.264+ (HDMI) / H.265 (CVBS)
System Delay	Less than 180ms (CVBS end-to-end low latency less than 120ms)
Video Delay	Less than 250ms
Encryption Method	128-bit AES encryption
Protection Standard	All aluminum radiator shell, anti-rust, shockproof design
Operating Temperature/Voltage	-30°C ~ +70°C, 11-16V
Operating Current	1W / Receive / 5W / 10W / CVBS 3W Receive: 1.3A / 0.35A / 2.8A / 5.9A / 1.7A @ 12V
Overall Dimension	1W / Receive / 5W / 10W / CVBS 3W Repeat: 10.8x8.2x2.8 / 13.6x11.7x3.4 / 10.8x9.0x2.8 / 19.6x14.6x3.4 / 6.7x4.8x2.3 cm
Weight	1W / Receive / 5W / 10W / CVBS 3W Repeat: 233g / 425g / 289g / 990g / 80g
Control Interface	Standard RS232 interface, 8-bit data bit, 1-bit stop bit, even-check, baud rate: 19200
Transparent Data Interface	Unidirectional transparent serial port transmission, 8 data bits, 1 stop bit, supports odd check, even check, wireless check, baud rate: 1200 to 230400
Built-In Bidirectional Data Module	410-480/840-845/902-928MHz, 3.6-19.2kbps conventional / 19.2-230.4kbps frequency hopping, 1-2W, TTL/232/485/422, 3.3-30VDC
Power Consumption	≤ 15W (1W radio), ≤ 35W (5W radio)

Frequently Asked Questions

What is the maximum transmission distance of these COFDM transmitters?

The transmission distance depends on the transmitter power: the 1W model reaches over 20 kilometers, the 5W model reaches over 50 kilometers, and the 10W model can transmit over 100 kilometers under line-of-sight conditions.

Does the system support high-speed mobile environments?

Yes. Thanks to its advanced COFDM modulation and super anti-multipath capabilities, the system supports stable, high-quality video transmission during high-speed movement exceeding 600 kilometers per hour.

What video input resolutions and encoding formats are supported?

It supports adaptive resolutions including 4K, 1080P, 1080i, 720P, and 576P. The supported video encoding formats are H.264+ for HDMI and H.265 for CVBS inputs.

How low is the transmission latency of the system?

The overall system delay is exceptionally low, measuring less than 180ms. For CVBS end-to-end low latency mode, the delay is less than 120ms, with a video delay of less than 250ms.

Is the wireless transmission secure?

Yes, the system features built-in 128-bit AES encryption alongside multiple encryption methods to prevent illegal reception and ensure secure data transmission.

What are the primary applications for this transmission system?

It is ideal for UAVs/drones (industrial, commercial, and high-end consumer), public security, fire protection, emergency rescue, maritime surveillance, power line and pipeline inspections, and real-time mobile broadcasting.

Product Detail

High-Quality COFDM Series Long DistanceHD Video Transmission Radio Manufacturer, Factories

Product Description

Related Products

Product Detail

High-Quality COFDM Series Long DistanceHD Video Transmission Radio Manufacturer, Factories

Product Description

Related Products

High-Quality pMDDL Series of New Wireless Digital Data Link Manufacturers, Supplier

High-Quality COFDM Series Long DistanceHD Video Transmission Radio Manufacturer, Factories

High-Quality iNET Series of Network Radio Factory, Factories

Custom Super LoRa Series of Network & Serial Radio Supplier, Suppliers

High-Quality Data Radio: DDLmesh Wireless Mesh/Data Link Vehicular Series-Ultra Long Range、Low latency、Low Cost HD Video&Distant Data Transmission Multi-channel Data Link Supplier, Factory

High-Quality Data Radio: DDLmesh Wireless Mesh/Data Link Airborne Series-Ultra Long Range、Low latency、Low Cost HD Video&Distant Data Transmission Multi-channel Data Link Manufacturers, Factories

Custom Data Radio: DDLmesh Wireless Mesh/Data Link OEM/ODM Module Series-Ultra Long Range、Low latency、Low Cost HD Video&Distant Data Transmission Multi-channel Data Link Manufacturer, Supplier

Custom Data Radio: DDLmesh Wireless Mesh/Data Link Handheld&Backpack Series-Ultra Long Range、Low latency、Low Cost HD Video&Distant Data Transmission Multi-channel Data Link Manufacturers, Supplier

High-Quality HX Series Wireless Industrial Routers-RF&AP Manufacturer, Suppliers

High-Quality LoRaData Series Low-Speed Long-Distance Data Transmission Radio /Module Supplier, Factories