Transmissor de vídeo composto sem fio COFDM-902T COFDM HD 1080P CVBS SD 720P

wireless HDMI transmitter and receiver

COFDM-902T COFDM HD Wireless Composite Video Transmitter 1080P CVBS SD 720P

Pontos de venda

1～2W RF output;

HD 1080P, SD720P composite CVBS in

H.264/MPEG-2;

Atraso <500EM;

100mm×43mm×10mm, 0.2kg

Recursos do produto

• Working frequency can be adjusted from 170MHz ~ 930MHz
• Vídeo, audio interface: HDMI digital interface and analog CVBS composite inputs (_SDI input is coming soon)
• High-quality digital video processing and H.264 / MPEG-2 video codec, HD quality
• Very short coding delay of 500 milliseconds
• High-speed mobile and multi-path interference stable transmission of images, vídeo
• Powerful NLOS capability
• Having space diversity reception
• With encryption
• Default 1W transmit RF power, develop different 1~2W
• According to customer requirements, OEM or ODMs are customized

Especificação

Working frequency	170MHz ~ 900MHz, be customized
Modulation method	COFDM
RF Output power	1~2W, can develop more power
Largura de banda	6/7/8MHz
Criptografia	AES / AES2 / DES / DES2
guard interval	1 / 32,1 / 16,1 / 8,1 / 4
Technical standards	H.264 / MPEG-2
Video stream	2Mbps ~ 25Mbps
System delays	<500EM
BER	≤10-6
Distância de transmissão	1 ~ 10km
Compression format	H.264 / MPEG-2
Video input	HDMI, Analog CVBS video and audio
Audio input	Estéreo, Right + Left
Image definition	1080P/I (1920×1080) is compatible with 720P, 480P and SD @ frame rate of 25 frames / segundo.
Video input interface	3.5 mm headphone jack, HDMI
Audio input interface	3.5 mm headphone jack, HDMI
Fonte de energia	VCC6V ~ 40V
Dimensões	100mm × 43mm × 10mm (C × L × A)
Peso	0.2kg

 

Product Overview

O COFDM-902T HD Wireless Video Transmitter is a compact, high-power COFDM-based wireless HDMI and CVBS video transmission solution designed for reliable long-range and NLOS applications.
Ele suporta HDMI digital video and analog CVBS composite input, delivering stable 1080P / 720P / SD video with strong anti-interference performance.

Com 1–2W RF output power, adjustable operating frequencies from 170 MHz para 930 MHz, e AES/DES encryption, the COFDM-902T is ideal for professional wireless video transmission in demanding environments such as public safety, UAVs, robotics, and mobile surveillance.

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Principais recursos

• COFDM modulation technology for high mobility and strong multi-path resistance

• Supports HDMI and CVBS composite video inputs (SDI input optional / under development)

• HD video up to 1080P, backward compatible with 720P and SD formats

• Low system latency < 500 EM

• High RF output power: 1–2W (higher power available on request)

• Wide frequency tuning range: 170 MHz – 930 MHz

• Excellent NLOS performance for urban and obstructed environments

• Space diversity reception for improved link stability

• Multiple encryption options: AES / AES2 / DES / DES2

• Compact and lightweight design, suitable for mobile and airborne platforms

• OEM & ODM customization supported

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Especificações Técnicas

RF & Transmission

• Modulação: COFDM

• Frequência operacional: 170 MHz – 900 MHz (personalizável)

• Potência de saída de RF: 1–2W (higher power optional)

• Largura de banda do canal: 6 / 7 / 8 MHz

• Intervalo de guarda: 1/32, 1/16, 1/8, 1/4

• Distância de transmissão: 1 – 10 quilômetros (LOS, dependendo do ambiente)

• BER: ≤ 1×10⁻⁶

Vídeo & Áudio

• Video Compression: H.264 / MPEG-2

• Video Bitrate: 2 Mbps – 25 Mbps

• System Latency: < 500 EM

• Entrada de vídeo:

  • HDMI (digital)

  • CVBS composite video

• Supported Resolution:

  • 1080P/I (1920×1080)

  • Compatible with 720P, 480P, and SD

• Frame Rate: 25 FPS

• Audio Input:

  • HDMI audio

  • Analog stereo (Left / Right)

• Interface de entrada: HDMI, 3.5 mm audio/video jack

Poder & Físico

• Fonte de energia: CC 6 V – 40 V

• Dimensões: 100 × 43 × 10 milímetros

• Peso: Approx. 0.2 kg

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Typical Applications

• UAV / Drone video transmission

• Law enforcement and public safety

• Robotics and EOD systems

• Mobile surveillance vehicles

• Firefighting and emergency response

• Temporary broadcast and field monitoring

• Industrial inspection and remote observation

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Opções de personalização

We offer flexible OEM and ODM services to meet specific project requirements, incluindo:

• Personalizado operating frequency bands

• Adjustable RF output power levels

• SDI video input personalização

• Encryption type and key configuration

• Habitação, connectors, and interface customization

• Firmware and protocol customization