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| Categories | COFDM Modulator |
|---|---|
| Brand Name: | Hincn |
| Model Number: | HCT820-M |
| Place of Origin: | China |
| MOQ: | 1 pc |
| Price: | US$798.00~US$995.00 |
| Payment Terms: | ,T/T,Western Union,MoneyGram,D/P,D/A,L/C |
| Delivery Time: | 7~14 working days |
| Supply Ability: | 999pcs/ month |
| Packaging Details: | carton package |
| Wireless modulation: | COFDM |
| Transmission power: | Configurable from -93dBm to -5dBm |
| Frequency: | 200MHz~2300MHz |
| Bandwidths: | 1MHz~8MHz adjustable |
| Wireless code stream: | 0.5Mbps to 31.67Mbps |
| Video encoding: | H265/H264 |
| Company Info. |
| Hincn Limited |
| Verified Supplier |
| View Contact Details |
| Product List |
This COFDM modular transmitter features HDMI/AV inputs with advanced COFDM modulation technology and H.265/H.264 encoding for reliable video/audio transmission in high-speed motion and NLOS conditions with minimal latency. The system comprises two interconnected boards (video codec encoder board and COFDM modulation board) with a flat cable connection, plus a transparent UART transmission channel.
| Input/Output Interfaces | |
|---|---|
| HD Video Input | HDMI Type A Connector |
| Composite Video Input | 4PIN PH1.5mm connector (CVBS Analog Audio Video Input) |
| UART Data | 3PIN 1.5mm pitch connector (Default TTL3.3V level, RS232 optional) |
| UART Control | 4PIN PH1.5mm connector (TTL3.3V) for configuration panel or host computer connection |
| Power Input | 2PIN PH2.0mm connector (12V Power Supply) |
| RF Output | IPEX |
| COFDM Wireless Modulation Transmission | |
|---|---|
| Wireless Modulation | COFDM (DVB-T) |
| IFFT Mode | 2K |
| Wireless Bandwidth | 1MHz~8MHz adjustable (1KHz step) |
| 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 |
| Wireless Code Stream | 0.5Mbps to 31.67Mbps |
| RF Specifications | |
|---|---|
| Frequency Bands | 200MHz~2300MHz (custom bands available) |
| Tuning Step Size | 1KHz |
| Power Output | -93dBm to -5dBm (frequency dependent) |
| Audio/Video Processing | |
|---|---|
| Video Input | Single-channel HD/SD with auto-detection (HDMI preferred). Optional dual input encoding. |
| Supported Video Formats | 1080@60P/50P/30P/25P/24P/60I/50I/30I, 720@60P/50P/30P, 720*480 60I (NTSC), 720*576 50I (PAL) |
| Video Encoding | H.265/H.264 |
| Audio Input | HDMI embedded or analog audio (Mic in/Line in) |
| Audio Format | AAC, 16bit, stereo, 32Kbps |
| Encryption | AES256 |
| Latency | H.265: 200-250ms; H.264: 50-130ms |
| Environmental Specifications | |
|---|---|
| Operating Temperature | 0° to +70°C (Optional: -40° to +85°C) |
| Storage Temperature | -40° to +85°C |
| Dimensions | 70×45×14mm (excluding connectors) |
| Power Requirements | 7-24VDC input, <340mA@12V consumption |
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