COFDM-221R HD Receptor de vídeo sem fio COFDM AV 1080P Transceptor de imagem de transmissão CVBS 170 ~ 900Mhz

Receptor de vídeo sem fio

COFDM-221R HD Receptor de vídeo sem fio COFDM AV 1080P Transceptor de imagem de transmissão CVBS 170 ~ 900Mhz

Características

• 1. Now Support DVB-T / DVB-T2 + High Speed;
• 2. Suporte H.264/AVC, Decodificação de vídeo HD MPEG2 ~ MPEG4;
• 3. Disponível para atualizar o firmware via slot USB;
• 4. Gravador USB, PVR, reprodução multimídia, suporta HDD;
• 5. Pesquisa automática e atualização de informações de taxa de bits;
• 6. Small size design lightweight. Professional diversity receiver;
• 7. Função de memória após desligar;
• 8. Suporte multilíngue: Inglês, russo, Tailandês, Spanish, etc.;
• 9. Particularly suitable for use in complex environments;
• 10. 6MHz, 7MHz, 8MHz em toda a banda;
• 11. Saída HD (Uma rota);
• 12. 2x Saída de vídeo, Áudio estéreo-R, Saída de áudio-L;
• 13. Suporta saída IR e receptor de sensor remoto estendido;
• 14. DC Power jack, um isqueiro para conectar facilmente
• 15. 10Fonte de alimentação ampla de ~32V, especialmente projetado para carros ou ônibus.

Especificação

1. Frequência de entrada: VHF 170-900MHz
2. Modular: QPSK/16 – QAM/256-QAM
3. Padrão de decodificação: MPEG4,MP@ML,MP@HL,H.264/AVC
4. Duas maneiras CVBS RCA + Uma saída HD
5. Fonte de energia: CC 12V~26V 5W

Product information

Marca:	OEM
Número do modelo:	COFDM-221R
Certificação:	CE Applicable
Local de Origem:	China
Quantidade mínima:	1peças
Preço:	USD
Payment Terms:	L/C, T/T, Western Union, MoneyGram Paypal
Supply Ability:	1000pcs per month
Delivery Time:	20 working days
Detalhes da embalagem:	Carton Box
Output  frequency:	46-860MHz; per 0.5MHz adjustable
Tipo de modulação:	COFDM
Saída de áudio:	Estéreo
Video Compression:	H.264 MPEG2-MPEG4
Saída de vídeo:	CVBS, HDMI
Receba sensibilidade:	-80dBm
Encryption	AES-128 bit

Visão geral

o COFDM-221R is a professional-grade HD wireless video receiver designed to provide reliable, high-quality video reception from COFDM wireless video transmitters. Utilizing COFDM (Multiplexação por divisão de frequência ortogonal codificada) tecnologia, this receiver ensures estável, interference-resistant reception, even in complex and high-multipath environments. It supports a broad range of video formats, incluindo H.264/AVC, MPEG2, and MPEG4, providing full compatibility with modern HD and legacy video sources.

The COFDM-221R is capable of receiving 1080P Full HD video, assim como 720P HD and standard-definition video, ensuring versatility for professional applications. The receiver is compatible with various input sources, incluindo HD wireless transmitters, composite CVBS signals, and DVB-T/DVB-T2 digital signals, tornando-o ideal para Downlinks de vídeo UAV, radiodifusão móvel, field surveillance, comunicações de emergência, e monitoramento industrial.

Compactar, leve, and portable, the COFDM-221R is designed for on-the-go applications, with wide DC power supply support (10–32V), making it perfect for in-vehicle use, centros de comando móveis, and remote monitoring stations. Isso é user-friendly interface, USB firmware upgrade capability, PVR recording, and multimedia playback make it a complete solution for professional video reception and management.

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Key Advantages

1. High-Definition Video Reception
   • Suporta 1080P Full HD video, HD 720P, and SD 480P, providing high-quality images with sharp detail and vibrant colors.
   • Compatible with multiple video compression standards, incluindo H.264/AVC, MPEG2, and MPEG4, ensuring versatility for diverse broadcast and surveillance systems.
2. Reliable COFDM Reception
   • COFDM technology provides strong resistance to multipath interference, desvanecimento, and signal loss, tornando-o ideal para mobile and complex environments.
   • Wide frequency coverage (170–900 MHz) allows operation with a variety of transmitters and customized deployments.
3. Design portátil e leve
   • Compact size and low weight make the COFDM-221R easy to deploy on veículos, drones, centros de comando móveis, or handheld setups.
   • Professional-grade diversity reception ensures consistent signal strength even in challenging environments.
4. Low-Latency and Real-Time Performance
   • Optimized for high-speed transmission systems, ensuring video latency is minimal and suitable for real-time monitoring and control.
5. Flexible Power and Integration
   • Suporta DC 10–32V input, making it compatible with vehicles, ônibus, or other mobile platforms.
   • DC power jack and cigarette-lighter adapter simplify mobile power connections.
6. Transmissão Segura
   • Suporta Criptografia AES-128, ensuring secure video reception for sensitive or private operations.
7. Multifunctional Capabilities
   • Integrado USB PVR recording, media playback, and firmware upgrade functionality via USB.
   • Auto-searching and updating of bitrate information allows quick deployment without manual configuration.
8. Operação amigável
   • Multi-language support includes Inglês, russo, Tailandês, Spanish, e mais.
   • Memory function preserves settings after power off.
   • IR remote control and extended remote sensor support for easy operation.

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Recursos do produto

1. Wide Video Format Support
   • Supports HD H.264/AVC, MPEG2, and MPEG4 decoding for maximum compatibility.
   • Handles Full HD 1080P, 720HD, and SD resolutions, ensuring smooth video across multiple platforms.
2. Professional Diversity Reception
   • Dual antenna input for improved signal stability and resistance to multipath fading.
   • Particularly suitable for high-speed mobile platforms or complex NLOS environments.
3. High Sensitivity and Signal Quality
   • Sensibilidade do receptor: -80 dBm, ensuring reliable reception over extended distances and through environmental interference.
   • Suporta 6/7/8 MHz bandwidths to match transmitter configurations.
4. Multiple Output Interfaces
   • Video outputs include HDMI for HD displays and Composto CVBS for legacy systems.
   • Audio outputs provide stereo left and right channels for professional audio monitoring.
5. USB Functionality
   • USB PVR recording allows for storing video on connected hard drives.
   • Firmware upgrades via USB ensure the receiver remains compatible with new standards and features.
   • USB media playback supports common formats such as AVI, MP4, MP3, JPG, and BMP.
6. Flexible Frequency Control
   • Input frequency range: VHF 170–900 MHz, adjustable in 0.5 Etapas de MHz.
   • Supports DVB-T/DVB-T2 reception for professional broadcasting and field deployments.
7. Design compacto e durável
   • Lightweight and small form factor for portability.
   • Projetado para professional field use, including vehicles, ônibus, drones, or handheld operations.
8. Enhanced User Experience
   • Auto-searching for channels and automatic bitrate updates reduce setup time.
   • Multi-language OSD and menu options allow quick operation by international users.
   • Memory retention preserves user settings even after power loss.
9. Versatile Installation Options
   • DC power input 10–32V supports installation in cars, ônibus, mobile command units, or standalone setups.
   • IR remote control support for convenient operation in vehicle or field conditions.
10. Secure and Reliable Operation
    • AES-128 encryption ensures video streams are secure and accessible only to authorized receivers.
    • COFDM modulation guarantees interference-resistant and stable video transmission, even in urban or high-density RF environments.

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Especificações Técnicas

Parâmetro	Especificação
Frequência de entrada	VHF 170–900 MHz
Tipo de modulação	COFDM
Video Decoding Standard	H.264/AVC, MPEG2, MPEG4
Resolução de vídeo	1080P, 720P, SD
Saída de vídeo	HDMI, CVBS (composto)
Saída de áudio	Stereo L + R
Receba Sensibilidade	-80 dBm
Encryption	AES-128 bit
Bandwidth	6/7/8 MHz ajustável
PVR/USB Recording	Sim
Firmware Upgrade via USB	Sim
Suporte multilíngue	Inglês, russo, Tailandês, Spanish, others
Fonte de energia	DC 10–32V
Consumo de energia	5W
Dimensões	Compactar, leve
Recepção da Diversidade	Sim, dual antenna
IR Remote Support	Sim
Multi-Function Output	HDMI, CVBS, áudio, USB

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Aplicações

o COFDM-221R HD Wireless Video Receiver is suitable for a wide range of professional applications:

1. UAV and Drone Video Downlink
   • Provides real-time Full HD video reception from UAV-mounted transmitters.
   • Supports mobile operators with NLOS capability for urban or forested environments.
2. Mobile and Vehicle-Based Broadcasting
   • Ideal for live news reporting, mobile production units, and field coverage.
   • Wide DC power range allows seamless integration in cars, ônibus, and mobile command vehicles.
3. Segurança Pública e Aplicação da Lei
   • Suitable for police, patrulha de fronteira, resposta de emergência, and firefighting units.
   • Supports secure video transmission with AES-128 encryption.
4. Industrial Monitoring and Surveillance
   • Monitors remote industrial sites, oleodutos, or infrastructure in HD quality.
   • Handles multipath environments common in urban and industrial areas.
5. Event Broadcasting
   • Captures and relays live events, esportes, and concerts with high-definition video.
   • Supports multiple output options for monitoring stations or production setups.
6. Comunicação de Emergência
   • Provides reliable video reception for disaster relief, busca e resgate, and on-site coordination.

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Optional Features and Customization

• Extended Frequency Support: Can be customized for other frequency bands beyond 170–900 MHz.
• Firmware Upgrades: USB upgradeable to support future video standards or additional functionalities.
• Custom Output Interfaces: Additional HDMI or CVBS outputs upon request.
• Extended Diversity Options: Dual or multi-antenna options for improved signal reliability.
• Vehicle-Specific Adaptations: Custom DC input connectors or mountings for cars, ônibus, and UAV platforms.
• Comunicação segura: Optional advanced AES or proprietary encryption modules.

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Conclusão

o COFDM-221R HD Wireless Video Receiver é um profissional, versátil, and highly reliable solution for receiving HD wireless video in real-time. Sua combinação de Tecnologia COFDM, H.264/MPEG2/MPEG4 decoding, wide frequency coverage, and ultra-stable NLOS reception makes it suitable for UAVs, radiodifusão móvel, segurança pública, monitoramento industrial, and emergency communications.

Com multi-functional USB support, PVR recording, dual video and audio outputs, and secure AES encryption, the COFDM-221R provides an all-in-one solution for professional video reception needs. Isso é compactar, design leve, broad power compatibility, and user-friendly interface allow seamless integration into mobile and field applications, ensuring reliable HD video reception even in complex environments.

Whether for real-time UAV monitoring, radiodifusão móvel, resposta de emergência, ou inspeção industrial, the COFDM-221R delivers high-definition video with robust stability, segurança, and professional performance.