Diversidade de cofdm 2 Receptor de vídeo sem fio da antena RF
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The VCAN2131 is a compact and high-performance COFDM wireless diversity receiver designed for professional real-time HD video transmission applications. Supporting H.264/H.265 video decoding, the receiver delivers stable and low-latency wireless video reception even in non-line-of-sight (NLOS) environments and high-speed mobile conditions.
Equipped with dual-antenna diversity reception technology, the VCAN2131 significantly improves signal stability, capacidade anti-interferência, e alcance de transmissão. Ele suporta HDMI, CVBS, and USB video outputs, making it suitable for various monitoring and display systems.
The receiver also features integrated DVR recording via Micro SD card or USB storage, along with USB video streaming capability for Android smartphones and tablets. When paired with a compatible COFDM transmitter, the VCAN2131 provides a rapidly deployable wireless video solution for UAVs, robótica, vigilância, operações táticas, e aplicativos de transmissão móvel.
Características
- COFDM (DVB-T) wireless diversity receiver
- H.264 / Decodificação de vídeo H.265
- Full HD 1080P@60fps video output
- Optional 4K UHD 3840×2160P@30fps support
- Dual SMA antenna diversity reception for enhanced stability
- HDMI, CVBS, and USB video outputs
- AES256 encryption/decryption support
- DVR recording to Micro SD card or USB disk
- USB video streaming for Android phones and tablets
- Excellent performance in NLOS and high-speed movement scenarios
- Adjustable operating frequency and bandwidth
- Compactar, leve, and low power consumption design
- Fast automatic signal detection and lock
- OSD display with real-time RF and transmission status
- UART interface for external configuration and control
Especificações
I/O Interfaces
| Interface | Descrição |
|---|---|
| HD Video Output | HDMI Type-A Connector |
| Composite Video Output | 4Conector PIN PH2.0mm |
| Saída de áudio | HDMI Embedded Audio & 4PIN PH2.0mm |
| Entrada RF | Dual SMA Female 50Ω |
| Entrada de energia | 2PIN PH2.0mm |
| Host USB | USB Type-A |
| Chave OSD | OSD Display Switch |
| REC Key | Video Recording Switch |
| UART dados | 3PIN PH1.25mm TTL |
| Controle UART | 4PIN PH1.25mm TTL |
| Slot para cartão TF | Micro SD Card |
Demodulation Parameters
| Parâmetro | Especificação |
| Demodulation Format | COFDM (DVB-T) |
| Modo de transportadora | 2K |
| Bandwidth | 1MHz ~ 8MHz Adjustable |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Guard Interval | 1/32, 1/16, 1/8, 1/4 |
| constelação | QPSK, 16QAM, 64QAM |
| Bitrate | 0.5Mbps ~ 31.67Mbps |
Especificações de RF
| Parâmetro | Especificação |
| Alcance de frequência | 160MHz ~ 860 MHz |
| Frequency Step | 1KHz |
| Sensibilidade do receptor | -97±1dBm |
Doença: BW=8MHz, QPSK, CR=2/3, IG=1/16
Vídeo & auditivo
| Parâmetro | Especificação |
| Saida de video | HDMI / CVBS / USB |
| Resolução de vídeo | 1080P / 720P |
| Resolução Opcional | 3840×2160P (4K) |
| Padrão de vídeo | NTSC / AMIGO |
| Decodificação de vídeo | H.264 / H.265 |
| Decodificação de áudio | AAC |
| Saída de áudio | HDMI Embedded / Analógico DESLIGADO |
| Encryption | AES256 |
| Storage Support | USB Disk / Micro SD |
Especificações Ambientais
| Parâmetro | Especificação |
| Temperatura de operação | 0°C ~ +70°C |
| Temperatura de armazenamento | -40°C ~ +80°C |
Características físicas
| Parâmetro | Especificação |
| dimensões | 91 × 80 × 30 milímetros |
| Peso | 169g |
Requisitos de energia
| Parâmetro | Especificação |
| Tensão de entrada | 7Em ~ 16V DC |
| Consumo de energia | Aproximadamente. 250mA @ 12V |
Indicadores LED
PWR LED
- Red solid light indicates normal power supply.
LINK LED
- Green blinking indicates successful wireless video reception.
Rec Led
- Green solid light indicates video recording is active.
Botões de controle
REC Button
Used to start or stop video recording.
- The receiver automatically detects storage devices after power-on.
- Micro SD card has priority over USB storage.
- Recording starts automatically when storage is available.
- Press the REC button to stop or restart recording.
OSD Button
Controls the on-screen display (OSD).
- Toque curto: Turn OSD on/off
- Pressão longa (>1 segundo): Switch display mode
- OSD settings are saved after reboot
Displayed information includes:
- frequência RF
- Bandwidth
- modo Constellation
- FEC & Guard Interval
- Air bitrate
- Taxa de bits de vídeo
- AES encryption status
- Signal strength of both antennas
- BER (Taxa de erro de bit)
- Recording status
QPSK CR：2/3 GI：1/16; constelação, FEC, intervalo de guarda
AR：3.90Mbps; AR, taxas de bits de transmissão sem fio
VBR：3.05Mbps AES OFF; VBR, taxas de bits de vídeo; AES OFF, Criptografia AES desativada.
SIG1：27 SIG2：22 ; SIG1, intensidade do sinal da formiga 1; SIG2, intensidade do sinal da formiga 2
ber1：0.14% ber2：100.00% ; ber1, taxa de erro de bit da formiga 1; ber2, taxa de erro de bit da formiga 2
REC OFF Sem Depósito; status de gravação de vídeo
aplicações
The VCAN2131 COFDM receiver is ideal for:
- UAV / Sistemas de downlink de vídeo drone
- Tactical surveillance and law enforcement
- Military communication systems
- Robotic vehicle monitoring
- Operações de resgate de emergência
- Mobile broadcasting
- Segurança fronteiriça
- Inspeção industrial
- Maritime wireless monitoring
- Long-range HD video transmission
Perguntas frequentes
Q1: What video formats does the VCAN2131 support?
The receiver supports H.264 and H.265 video decoding with resolutions up to 1080P@60fps. Optional 4K decoding is also available.
Q2: Does the receiver support encrypted transmission?
sim. The VCAN2131 supports AES256 decryption for secure wireless communication.
Q3: Can the receiver record video locally?
sim. Video can be recorded directly to a Micro SD card or USB storage device.
Q4: Does the receiver support mobile phone viewing?
sim. The USB streaming function allows Android smartphones and tablets to monitor live video.
Q5: What is the advantage of diversity reception?
Dual-antenna diversity reception improves signal stability, reduces interference, and enhances transmission distance in difficult environments.
Q6: Can the operating frequency and bandwidth be customized?
sim. The working frequency and bandwidth are fully adjustable according to application requirements.
Q7: Is the receiver suitable for moving platforms?
sim. The VCAN2131 is optimized for high-speed mobile and non-line-of-sight transmission environments.
conteúdo do pacote
- VCAN2131 COFDM Wireless Receiver
- Cabo de energia
- AV Output Cable
- Manual do usuário
Antennas and storage devices are optional accessories.
iVcan.com –
I have been using the COFDM Diversity 2 Receptor de vídeo sem fio da antena RF, E excedeu minhas expectativas. The receiver provides extremely stable and clear video reception from my wireless video transmitter, mesmo em ambientes desafiadores. The diversity antennas effectively reduce signal dropouts and interference, ensuring smooth and reliable performance. I particularly appreciate the ability to customize the frequency with 1kHz steps, which makes fine-tuning the system quick and precise. A configuração era direta, and the build quality feels robust and professional. Geral, this receiver has greatly improved my wireless video operations, offering excellent performance and reliability for long-range applications.