Pagkakaiba -iba ng CoFDM 2 RF Antenna Wireless Video Receiver


Talahanayan ng nilalaman
Pangkalahatang-buod
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, kakayahan laban sa panghihimasok, at saklaw ng paghahatid. Sinusuportahan nito ang 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, robotics, Pagsubaybay, Tactical Operations, at mga aplikasyon ng mobile broadcasting.




Mga tampok
- 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
- Compact, magaan na timbang, 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


Mga pagtutukoy
I/O Interfaces
| Interface | Description |
|---|---|
| HD Video Output | HDMI Type-A Connector |
| Composite Video Output | 4PIN PH2.0mm Connector |
| Audio Output | HDMI Embedded Audio & 4PIN PH2.0mm |
| RF Input | Dual SMA Female 50Ω |
| Input ng kapangyarihan | 2PIN PH2.0mm |
| USB Host | USB Type-A |
| OSD Key | OSD Display Switch |
| REC Key | Video Recording Switch |
| Data UART | 3PIN PH1.25mm TTL |
| Kontrolin ang UART | 4PIN PH1.25mm TTL |
| TF Card Slot | Micro SD Card |
Demodulation Parameters
| Parameter | Pagtutukoy |
| Demodulation Format | COFDM (DVB-T) |
| Carrier Mode | 2K |
| Bandwidth | 1MHz ~ 8MHz Adjustable |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Pagitan ng Guard | 1/32, 1/16, 1/8, 1/4 |
| Konstelasyon | QPSK, 16QAM, 64QAM |
| bitrates | 0.5Mbps ~ 31.67Mbps |
Mga Detalye ng RF
| Parameter | Pagtutukoy |
| Frequency Range | 160MHz ~ 860MHz |
| Frequency Step | 1KHz |
| Sensibilidad ng Tatanggap | -97±1dBm |
Kondisyon: BW = 8MHz, QPSK, CR=2/3, GI=1/16
Video & Audio
| Parameter | Pagtutukoy |
| Video Output | HDMI / CVBS / USB |
| Resolution ng video | 1080P / 720P |
| Opsyonal na resolusyon | 3840×2160P (4K) |
| Pamantayan ng Video | NTSC / KALARO |
| Video Decoding | H.264 / H.265 |
| Audio Decoding | AAC |
| Audio Output | HDMI Embedded / Analog NAKA-OFF |
| Pagsasakripta | AES256 |
| Storage Support | USB Disk / Micro SD |
Mga Detalye ng Pangkapaligiran
| Parameter | Pagtutukoy |
| Operating temperatura | 0°C ~ +70°C |
| Imbakan temperatura | -40°C ~ +80°C |
Mga pisikal na katangian
| Parameter | Pagtutukoy |
| Mga dimensiyon | 91 × 80 × 30 mm |
| Timbang | 169g |
Mga kinakailangan sa kuryente
| Parameter | Pagtutukoy |
| Input na boltahe | 7Sa ~ 16V dc |
| Pagkonsumo ng kapangyarihan | Tinatayang. 250MA @ 12V |
LED Indicator
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.
Mga pindutan ng control
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).
- Maikling pindutin: Turn OSD on/off
- Mahaba pindutin ang (>1 pangalawa): Switch display mode
- OSD settings are saved after reboot
Displayed information includes:
- RF dalas
- Bandwidth
- Konstelasyon mode
- FEC & Pagitan ng Guard
- Air bitrate
- Bitrate ng video
- AES encryption status
- Signal strength of both antennas
- BER (Bit error rate)
- Recording status

QPSK CR:2/3 GI GI:1/16; Konstelasyon, FEC, Pagitan ng Guard
HANGIN:3.90Mbps; HANGIN, wireless na nagpapadala ng mga bitrate
VBR:3.05Mbps AES OFF; VBR, mga bitrate ng video; AES OFF, Naka off ang pag encrypt ng AES.
SIG1:27 SIG2:22 ; SIG1, signal intensity ng ant 1; SIG2, signal intensity ng ant 2
ber1:0.14% ber2:100.00% ; ber1, bit error rate ng ant 1; ber2, bit error rate ng ant 2
REC OFF Walang Imbakan; katayuan ng pag record ng video
Mga aplikasyon
The VCAN2131 COFDM receiver is ideal for:
- UAV / Drone Video Downlink Systems
- Tactical surveillance and law enforcement
- Military communication systems
- Robotic vehicle monitoring
- Mga operasyong pang-emergency na pagliligtas
- Mobile broadcasting
- Border security
- Pang -industriya inspeksyon
- Maritime wireless monitoring
- Long-range HD video transmission
FAQ
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?
Oo. The VCAN2131 supports AES256 decryption for secure wireless communication.
Q3: Can the receiver record video locally?
Oo. Video can be recorded directly to a Micro SD card or USB storage device.
Q4: Does the receiver support mobile phone viewing?
Oo. 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?
Oo. The working frequency and bandwidth are fully adjustable according to application requirements.
Q7: Is the receiver suitable for moving platforms?
Oo. The VCAN2131 is optimized for high-speed mobile and non-line-of-sight transmission environments.
Mga Nilalaman ng Pakete
- VCAN2131 COFDM Wireless Receiver
- Power Cable
- AV Output Cable
- Manwal ng gumagamit
Antennas and storage devices are optional accessories.







iVcan.com –
Gumagamit ako ng pagkakaiba -iba ng COFDM 2 RF Antenna Wireless Video Receiver, At lumampas ito sa aking inaasahan. Nagbibigay ang tatanggap ng sobrang matatag at malinaw na pagtanggap ng video mula sa aking wireless video transmiter, Kahit na sa mapaghamong mga kapaligiran. Ang pagkakaiba -iba ng mga antenna ay epektibong mabawasan ang mga pag -dropout ng signal at pagkagambala, tinitiyak ang makinis at maaasahang pagganap. Lalo kong pinahahalagahan ang kakayahang ipasadya ang dalas na may mga hakbang na 1kHz, na ginagawang mabilis at tumpak ang pag-tune ng system. Diretso ang pag -setup, At ang kalidad ng build ay nakakaramdam ng matatag at propesyonal. Sa kabuuan, Ang tatanggap na ito ay lubos na napabuti ang aking mga wireless na operasyon ng video, nag-aalok ng mahusay na pagganap at pagiging maaasahan para sa mga long-range application.