Diversité du COFDM 2 Récepteur vidéo sans fil d'antenne RF
Table des matières
vue d'ensemble
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, capacité anti-interférence, et plage de transmission. Il prend en charge 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, robotique, surveillance, opérations tactiques, et applications de diffusion mobile.
Caractéristiques
- COFDM (DVB-T) wireless diversity receiver
- H.264 / Décodage vidéo 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
- Compact, poids léger, 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
Caractéristiques
I/O Interfaces
| Interface | La description |
|---|---|
| HD Video Output | HDMI Type-A Connector |
| Composite Video Output | 4Connecteur BROCHE PH2.0mm |
| Sortie audio | HDMI Embedded Audio & 4PIN PH2.0mm |
| entrée RF | Dual SMA Female 50Ω |
| Entrée de puissance | 2PIN PH2.0mm |
| Emplacement USB | USB Type-A |
| Clé OSD | OSD Display Switch |
| REC Key | Video Recording Switch |
| UART de données | 3PIN PH1.25mm TTL |
| UART de contrôle | 4PIN PH1.25mm TTL |
| Emplacement de carte TF | Micro SD Card |
Demodulation Parameters
| Paramètre | spécification |
| Demodulation Format | COFDM (DVB-T) |
| Mode transporteur | 2K |
| Bande passante | 1MHz ~ 8MHz Adjustable |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Intervalle de Garde | 1/32, 1/16, 1/8, 1/4 |
| Constellation | QPSK, 16QAM, 64QAM |
| bitrate | 0.5Mbps ~ 31.67Mbps |
Spécifications RF
| Paramètre | spécification |
| Gamme de fréquences | 160MHz ~ 860 MHz |
| Frequency Step | 1KHz |
| Sensibilité du récepteur | -97±1dBm |
État: BP = 8 MHz, QPSK, CR=2/3, GI = 1/16
Vidéo & l'audio
| Paramètre | spécification |
| Sortie vidéo | HDMI / CVBS / USB |
| Résolution vidéo | 1080P / 720P |
| Résolution facultative | 3840×2160P (4K) |
| Norme vidéo | NTSC / COPAIN |
| Décodage vidéo | H.264 / H.265 |
| Décodage audio | AAC |
| Sortie audio | HDMI Embedded / Analogique désactivé |
| Le chiffrement | AES256 |
| Storage Support | USB Disk / micro SD |
Spécifications environnementales
| Paramètre | spécification |
| Température de fonctionnement | 0° C ~ + 70 ° C |
| Température de stockage | -40°C ~ +80°C |
Caractéristiques physiques
| Paramètre | spécification |
| Dimensions | 91 × 80 × 30 mm |
| Poids | 169g |
Exigences d'alimentation
| Paramètre | spécification |
| Tension d'entrée | 7Dans ~ 16V DC |
| Consommation d'énergie | Environ. 250mA à 12 V |
Indicateurs 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.
Boutons de contrôle
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).
- Appui court: Turn OSD on/off
- Appui long (>1 seconde): Switch display mode
- OSD settings are saved after reboot
Displayed information includes:
- fréquence RF
- Bande passante
- Mode constellation
- FEC & Intervalle de Garde
- Air bitrate
- Video bitrate
- AES encryption status
- Signal strength of both antennas
- BER (Taux d'erreur bit)
- Recording status
QPSK CR：2/3 GI：1/16; Constellation, FEC, Intervalle de Garde
AIR：3.90mbps; AIR, débits de transmission sans fil
VBR：3.05Mbps AES OFF; VBR, débits vidéo; AES OFF, Le cryptage AES est désactivé.
SIG1：27 SIG2：22 ; SIG1, intensité du signal de la fourmi 1; SIG2, intensité du signal de la fourmi 2
ber1：0.14% ber2：100.00% ; ber1, taux d'erreur sur les bits de la fourmi 1; ber2, taux d'erreur sur les bits de la fourmi 2
REC OFF Pas de stockage; statut d'enregistrement vidéo
Applications
The VCAN2131 COFDM receiver is ideal for:
- UAV / Systèmes de liaison descendante vidéo par drone
- Tactical surveillance and law enforcement
- Military communication systems
- Robotic vehicle monitoring
- Opérations de secours d'urgence
- Mobile broadcasting
- Sécurité aux frontières
- Inspection industrielle
- 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?
Oui. The VCAN2131 supports AES256 decryption for secure wireless communication.
Q3: Can the receiver record video locally?
Oui. Video can be recorded directly to a Micro SD card or USB storage device.
Q4: Does the receiver support mobile phone viewing?
Oui. 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?
Oui. The working frequency and bandwidth are fully adjustable according to application requirements.
Q7: Is the receiver suitable for moving platforms?
Oui. The VCAN2131 is optimized for high-speed mobile and non-line-of-sight transmission environments.
Contenu du colis
- VCAN2131 COFDM Wireless Receiver
- Câble d'alimentation
- AV Output Cable
- Manuel utilisateur
Antennas and storage devices are optional accessories.
iVcan.com –
I have been using the COFDM Diversity 2 Récepteur vidéo sans fil d'antenne RF, Et cela a dépassé mes attentes. The receiver provides extremely stable and clear video reception from my wireless video transmitter, même dans des environnements difficiles. 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. La configuration était simple, and the build quality feels robust and professional. Global, this receiver has greatly improved my wireless video operations, offering excellent performance and reliability for long-range applications.