COFDM分集 2 RF天线无线视频接收器
目录
概述
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, 抗干扰能力, 和传输范围. 支持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, 机器人技术, 监视, 战术行动, and mobile broadcasting applications.
特征
- COFDM图传 (DVB-T) wireless diversity receiver
- H.264 / H.265视频解码
- 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
- 袖珍的, lightweight, 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
产品规格
I/O Interfaces
| 界面 | Description |
|---|---|
| HD Video Output | HDMI Type-A Connector |
| Composite Video Output | 4PIN PH2.0mm 连接器 |
| 音频输出 | HDMI Embedded Audio & 4PIN PH2.0mm |
| 射频输入 | Dual SMA Female 50Ω |
| 电源输入 | 2PIN PH2.0mm |
| USB主机 | USB Type-A |
| OSD Key | OSD Display Switch |
| REC Key | Video Recording Switch |
| 数据串口 | 3PIN PH1.25mm TTL |
| 控制串口 | 4PIN PH1.25mm TTL |
| TF Card Slot | Micro SD Card |
Demodulation Parameters
| 范围 | 规范 |
| Demodulation Format | COFDM图传 (DVB-T) |
| Carrier Mode | 2K |
| 带宽 | 1MHz ~ 8MHz Adjustable |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Guard Interval | 1/32, 1/16, 1/8, 1/4 |
| Constellation | QPSK, 16QAM, 64QAM |
| 比特率 | 0.5Mbps ~ 31.67Mbps |
射频规格
| 范围 | 规范 |
| 频率范围 | 160兆赫兹~860兆赫兹 |
| Frequency Step | 1千赫 |
| 接收灵敏度 | -97±1dBm |
健康）状况: 带宽=8MHz, QPSK, CR=2/3, 升糖指数=1/16
Video & 声音的
| 范围 | 规范 |
| 视频输出 | HDMI / CVBS / USB |
| 视频分辨率 | 1080P / 720P |
| Optional Resolution | 3840×2160P (4K) |
| 视频标准 | NTSC / PAL |
| 视频解码 | H.264 / H.265 |
| 音频解码 | 亚克力 |
| 音频输出 | HDMI Embedded / 模拟关闭 |
| 加密 | AES256 |
| Storage Support | USB Disk / Micro SD |
环境规格
| 范围 | 规范 |
| 工作温度 | 0℃ ~ +70℃ |
| 储存温度 | -40°C ~ +80°C |
物理特性
| 范围 | 规范 |
| 外形尺寸 | 91 × 80 × 30 毫米 |
| 重量 | 169G |
电源要求
| 范围 | 规范 |
| 输入电压 | 7V ~ 16V DC |
| 功耗 | 大约. 250毫安@12V |
LED指示灯
压水堆 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.
Control Buttons
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 (屏幕显示).
- 短按: Turn OSD on/off
- 长按 (>1 第二): Switch display mode
- OSD settings are saved after reboot
Displayed information includes:
- 射频频率
- 带宽
- 星座模式
- FEC & Guard Interval
- Air bitrate
- Video bitrate
- AES encryption status
- Signal strength of both antennas
- 误码率 (误码率)
- Recording status
四相相移键控CR：2/3 胃肠道：1/16; Constellation, FEC, Guard interval
空气：3.90Mbps; 空气, 无线传输比特率
可变比特率：3.05Mbps AES 关闭; 可变比特率, 视频比特率; AES 关闭, AES 加密已关闭.
信号1：27 信号2：22 ; 信号1, signal intensity of ant 1; 信号2, signal intensity of ant 2
误码率1：0.14% 误码率2：100.00% ; 误码率1, bit error rate of ant 1; 误码率2, bit error rate of ant 2
录制关闭 无存储; 视频录制状态
Applications
The VCAN2131 COFDM receiver is ideal for:
- 无人机 / 无人机视频下行系统
- Tactical surveillance and law enforcement
- Military communication systems
- Robotic vehicle monitoring
- 紧急救援行动
- Mobile broadcasting
- 边境安全
- 工业检验
- Maritime wireless monitoring
- Long-range HD video transmission
常问问题
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?
是. The VCAN2131 supports AES256 decryption for secure wireless communication.
Q3: Can the receiver record video locally?
是. Video can be recorded directly to a Micro SD card or USB storage device.
第四季度: Does the receiver support mobile phone viewing?
是. 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?
是. The working frequency and bandwidth are fully adjustable according to application requirements.
Q7: Is the receiver suitable for moving platforms?
是. The VCAN2131 is optimized for high-speed mobile and non-line-of-sight transmission environments.
包装内容
- VCAN2131 COFDM Wireless Receiver
- 电源线
- AV Output Cable
- 用户手册
Antennas and storage devices are optional accessories.
iVcan.com –
I have been using the COFDM Diversity 2 RF天线无线视频接收器, 这超出了我的预期. The receiver provides extremely stable and clear video reception from my wireless video transmitter, 即使在充满挑战的环境中. 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. 设置很简单, and the build quality feels robust and professional. Overall, this receiver has greatly improved my wireless video operations, offering excellent performance and reliability for long-range applications.