Ricevitore video wireless
COFDM-221R Ricevitore video wireless HD COFDM AV 1080P Ricetrasmettitore trasmissione immagini CVBS 170~900Mhz
Sommario
Caratteristiche
- 1. Ora supporta DVB-T / DVB-T2 + High Speed;
- 2. Supporta H.264/AVC, Decodifica video HD MPEG2~MPEG4;
- 3. Disponibile per aggiornare il firmware tramite slot USB;
- 4. Registratore USB, PVR, gioco multimediale, supporta l'HDD;
- 5. Ricerca automatica e aggiornamento delle informazioni sulla velocità in bit;
- 6. Small size design lightweight. Professional diversity receiver;
- 7. Funzione di memoria dopo lo spegnimento;
- 8. Supporto multilingue: Inglese, russo, tailandese, spagnolo, eccetera;
- 9. Particularly suitable for use in complex environments;
- 10. 6MHz, 7MHz, 8MHz su tutta la banda;
- 11. Uscita HD (Un percorso);
- 12. 2x Uscita video, Audio stereo-R, Uscita audio-L;
- 13. Supporta l'uscita IR e il ricevitore del sensore remoto esteso;
- 14. DC Power jack, un accendisigari per collegarsi facilmente
- 15. 10Alimentazione da ~32V, appositamente progettati per automobili o autobus.
Specifica
- Input frequency: VHF 170-900MHz
- Modulare: QPSK/16 – QAM/256-QAM
- Standard di decodifica: MPEG4,MP@ML,MP@HL,H.264/AVC
- RCA CVBS a due vie + Un'uscita HD
- Alimentazione elettrica: CC 12 V ~ 26 V 5 W
Product information
| Marchio: | OEM |
| Numero di modello: | COFDM-221R |
| Certificazione: | CE Applicable |
| Luogo di origine: | Cina |
| MOQ: | 1pz |
| Prezzo: | Dollaro statunitense |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram Paypal |
| Supply Ability: | 1000pcs per month |
| Delivery Time: | 20 working days |
| Dettagli dell'imballaggio: | Carton Box |
| Output frequency: | 46-860MHz; per 0.5MHz adjustable |
| Tipo di modulazione: | COFDM |
| Uscita audio: | Stereo |
| Compressione video: | H.264 MPEG2-MPEG4 |
| Uscita video: | CVBS, HDMI |
| Ricevi sensibilità: | -80dBm |
| crittografia | AES-128 bit |




Panoramica
Il 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 (Multiplexing a divisione di frequenza ortogonale codificata) tecnologia, this receiver ensures stabile, interference-resistant reception, even in complex and high-multipath environments. It supports a broad range of video formats, compreso 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, così come 720P HD and standard-definition video, ensuring versatility for professional applications. The receiver is compatible with various input sources, compreso HD wireless transmitters, composite CVBS signals, and DVB-T/DVB-T2 digital signals, rendendolo ideale per UAV video downlinks, mobile broadcasting, field surveillance, comunicazioni di emergenza, e monitoraggio industriale.
Compatto, leggero, 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, centri di comando mobili, and remote monitoring stations. Suo user-friendly interface, USB firmware upgrade capability, PVR recording, and multimedia playback make it a complete solution for professional video reception and management.
Key Advantages
- High-Definition Video Reception
- Supporta 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, compreso H.264/AVC, MPEG2, and MPEG4, ensuring versatility for diverse broadcast and surveillance systems.
- Reliable COFDM Reception
- COFDM technology provides strong resistance to multipath interference, sbiadimento, and signal loss, rendendolo ideale per mobile and complex environments.
- Wide frequency coverage (170–900 MHz) allows operation with a variety of transmitters and customized deployments.
- Portable and Lightweight Design
- Compact size and low weight make the COFDM-221R easy to deploy on veicoli, droni, centri di comando mobili, or handheld setups.
- Professional-grade diversity reception ensures consistent signal strength even in challenging environments.
- 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.
- Flexible Power and Integration
- Supporta DC 10–32V input, making it compatible with vehicles, autobus, or other mobile platforms.
- DC power jack and cigarette-lighter adapter simplify mobile power connections.
- Secure Transmission
- Supporta Crittografia AES-128, ensuring secure video reception for sensitive or private operations.
- Multifunctional Capabilities
- Integrato USB PVR recording, media playback, and firmware upgrade functionality via USB.
- Auto-searching and updating of bitrate information allows quick deployment without manual configuration.
- Funzionamento intuitivo
- Multi-language support includes Inglese, russo, tailandese, spagnolo, e altro ancora.
- Memory function preserves settings after power off.
- IR remote control and extended remote sensor support for easy operation.
Caratteristiche del prodotto
- Wide Video Format Support
- Supports HD H.264/AVC, MPEG2, and MPEG4 decoding for maximum compatibility.
- Handles Full HD 1080P, 720PHD, and SD resolutions, ensuring smooth video across multiple platforms.
- 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.
- High Sensitivity and Signal Quality
- Sensibilità del ricevitore: -80 dBm, ensuring reliable reception over extended distances and through environmental interference.
- Supporta 6/7/8 MHz bandwidths to match transmitter configurations.
- Multiple Output Interfaces
- Video outputs include HDMI for HD displays and Composito CVBS for legacy systems.
- Audio outputs provide stereo left and right channels for professional audio monitoring.
- 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.
- Flexible Frequency Control
- Input frequency range: VHF 170–900 MHz, regolabile in 0.5 MHz steps.
- Supports DVB-T/DVB-T2 reception for professional broadcasting and field deployments.
- Compact and Durable Design
- Lightweight and small form factor for portability.
- Progettato per professional field use, including vehicles, autobus, droni, or handheld operations.
- 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.
- Versatile Installation Options
- DC power input 10–32V supports installation in cars, autobus, mobile command units, or standalone setups.
- IR remote control support for convenient operation in vehicle or field conditions.
- 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.
Specifiche tecniche
| Parametro | Specifica |
|---|---|
| Frequenza di ingresso | VHF 170–900 MHz |
| Tipo di modulazione | COFDM |
| Video Decoding Standard | H.264/AVC, MPEG2, MPEG4 |
| Risoluzione video | 1080P, 720P, SD |
| Uscita video | HDMI, CVBS (composito) |
| Uscita audio | Stereo L + R |
| Ricevi sensibilità | -80 dBm |
| crittografia | AES-128 bit |
| Larghezza di banda | 6/7/8 MHz regolabile |
| PVR/USB Recording | sì |
| Firmware Upgrade via USB | sì |
| Supporto multilingue | Inglese, russo, tailandese, spagnolo, others |
| Alimentazione elettrica | DC 10–32V |
| Consumo energetico | 5W |
| Dimensioni | Compatto, leggero |
| Diversity Reception | sì, dual antenna |
| IR Remote Support | sì |
| Multi-Function Output | HDMI, CVBS, audio, USB |
Applicazioni
Il COFDM-221R HD Wireless Video Receiver is suitable for a wide range of professional applications:
- 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.
- 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, autobus, and mobile command vehicles.
- Public Safety and Law Enforcement
- Suitable for police, pattuglia di frontiera, risposta all'emergenza, and firefighting units.
- Supports secure video transmission with AES-128 encryption.
- Industrial Monitoring and Surveillance
- Monitors remote industrial sites, condutture, or infrastructure in HD quality.
- Handles multipath environments common in urban and industrial areas.
- Event Broadcasting
- Captures and relays live events, sport, and concerts with high-definition video.
- Supports multiple output options for monitoring stations or production setups.
- Comunicazione di emergenza
- Provides reliable video reception for disaster relief, ricerca e salvataggio, and on-site coordination.
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, autobus, and UAV platforms.
- Comunicazione sicura: Optional advanced AES or proprietary encryption modules.
Conclusione
Il COFDM-221R HD Wireless Video Receiver è un professionale, versatile, and highly reliable solution for receiving HD wireless video in real-time. La sua combinazione di Tecnologia COFDM, H.264/MPEG2/MPEG4 decoding, wide frequency coverage, and ultra-stable NLOS reception makes it suitable for UAVs, mobile broadcasting, pubblica sicurezza, monitoraggio industriale, and emergency communications.
Con 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. Suo compatto, design leggero, 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, mobile broadcasting, risposta all'emergenza, o ispezione industriale, the COFDM-221R delivers high-definition video with robust stability, sicurezza, and professional performance.

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