COFDM分集 2 RF天線無線視訊接收器


目錄
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, anti-interference capability, 和傳輸範圍. It supports 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, 機器人技術, 監視, 戰術行動, and mobile broadcasting applications.




特徵
- COFDM (DVB-T) wireless diversity receiver
- H.264 / H.265 video decoding
- 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, 輕的, 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


產品規格
I/O Interfaces
| 介面 | 描述 |
|---|---|
| HD Video Output | HDMI Type-A Connector |
| Composite Video Output | 4PIN PH2.0mm 連接器 |
| 音訊輸出 | HDMI Embedded Audio & 4PIN PH2.0mm |
| 射頻輸入 | Dual SMA Female 50Ω |
| 電源輸入 | 2PIN PH2.0mm |
| USB主機 | USB Type-A |
| OSD Key | OSD Display Switch |
| REC Key | Video Recording Switch |
| 資料串口 | 3PIN PH1.25mm TTL |
| 控制串口 | 4PIN PH1.25mm TTL |
| TF卡槽 | Micro SD Card |
Demodulation Parameters
| 範圍 | 規範 |
| Demodulation Format | COFDM (DVB-T) |
| 營運商模式 | 2K |
| 帶寬 | 1MHz ~ 8MHz Adjustable |
| 前向糾錯 | 1/2, 2/3, 3/4, 5/6, 7/8 |
| 保護間隔 | 1/32, 1/16, 1/8, 1/4 |
| 星座 | QPSK, 16QAM, 64QAM |
| 位元率 | 0.5Mbps ~ 31.67Mbps |
RF Specifications
| 範圍 | 規範 |
| 頻率範圍 | 160MHz ~ 860MHz |
| Frequency Step | 1千赫 |
| 接收靈敏度 | -97±1dBm |
Condition: 頻寬=8MHz, QPSK, CR=2/3, 升糖指數=1/16
影片 & 聲音的
| 範圍 | 規範 |
| 視訊輸出 | HDMI / CVBS / USB |
| 視訊解析度 | 1080P / 720P |
| Optional Resolution | 3840×2160P (4K) |
| 影片標準 | NTSC / 朋友 |
| 視訊解碼 | H.264 / H.265 |
| 音訊解碼 | 亞克力 |
| 音訊輸出 | HDMI Embedded / 模擬關閉 |
| 加密 | AES256 |
| Storage Support | USB Disk / Micro SD |
Environmental Specifications
| 範圍 | 規範 |
| 工作溫度 | 0℃ ~ +70℃ |
| 儲存溫度 | -40°C ~ +80°C |
物理特性
| 範圍 | 規範 |
| 方面 | 91 × 80 × 30 毫米 |
| 重量 | 169G |
Power Requirements
| 範圍 | 規範 |
| 輸入電壓 | 7V ~ 16V DC |
| 耗電量 | 大約. 250毫安培@12V |
LED Indicators
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.
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 (螢幕顯示).
- 短按: Turn OSD on/off
- 長按 (>1 第二): Switch display mode
- OSD settings are saved after reboot
Displayed information includes:
- 射頻頻率
- 帶寬
- Constellation mode
- 前向糾錯 & 保護間隔
- Air bitrate
- Video bitrate
- AES encryption status
- Signal strength of both antennas
- 誤碼率 (誤碼率)
- Recording status

四相相移鍵控CR:2/3 胃腸道:1/16; 星座, 前向糾錯, 保護間隔
空氣:3.90Mbps的; 空氣, 無線傳輸位元率
可變位元速率:3.05Mbps AES 關閉; 可變位元速率, 視訊比特率; AES 關閉, AES 加密已關閉.
信號1:27 訊號2:22 ; 信號1, 螞蟻訊號強度 1; 訊號2, 螞蟻訊號強度 2
誤碼率1:0.14% 誤碼率2:100.00% ; 誤碼率1, 螞蟻誤碼率 1; 誤碼率2, 螞蟻誤碼率 2
錄製關閉 無存儲; 錄影狀態
應用
The VCAN2131 COFDM receiver is ideal for:
- 無人機 / Drone video downlink systems
- Tactical surveillance and law enforcement
- Military communication systems
- Robotic vehicle monitoring
- Emergency rescue operations
- Mobile broadcasting
- 邊境安全
- 工業檢驗
- Maritime wireless monitoring
- Long-range HD video transmission
常問問題
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: 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.
包裝內容
- VCAN2131 COFDM Wireless Receiver
- 電源線
- AV Output Cable
- 使用者手冊
Antennas and storage devices are optional accessories.







iVcan.com –
I have been using the COFDM Diversity 2 RF天線無線視訊接收器, 這超出了我的預期. The receiver provides extremely stable and clear video reception from my wireless video transmitter, 即使在充滿挑戰的環境中. 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. 設定很簡單, and the build quality feels robust and professional. 全面的, this receiver has greatly improved my wireless video operations, offering excellent performance and reliability for long-range applications.