Hincn Limited
Hincn Limited
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15km~30km COFDM Drone Video Transmitter For Encrypted Real Time Transmission System
Key Features:
Overview:
The HC-T820 high definition COFDM drone video transmitter is equipped with encoder board, COFDM modulator module,and mini 1W, 2W, 5W power amplifier,using CNC aluminum alloy casing, compact size, light weight, with high resolution and long transmission distance.
Technical Specifications:
| 15km~30km COFDM Drone Video Transmitter For Encrypted Real Time Transmission System | |
| Interface | |
| Model Number | HCT820 |
| HD video input | Standard HDMI interface |
| SD video input | 4PIN 1.5mm pitch connector(CVBS Analog Audio Video Input) |
| One-way transparent data transmission serial port | 3PIN 1.5mm pitch connector,default to be TTL3.3V level, standard RS232 level can also be optional before shipment. |
| Configure serial port | 4PIN 1.5mm pitch connector,TTL3.3V.It can be connected to our Parameter Configure Board, and can also be connected to a PC or other host computer. |
| Power input | XT30PW-M connector(12V Power Supply) |
| Antenna port | SMA male |
| COFDM Wireless Modulation Transmission | |
| Wireless modulation | COFDM |
| IFFT mode | 2K |
| Wireless bandwidth | 1MHz~8MHz adjustable,1KHz step forward |
| 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( bites per second) |
| Frequency | Optional working frequency band 300~360MHz;350~400MHz;450~500MHz;520~560MHz; 580~620MHz;680~720MHz;820~860MHz. Other frequencies between 300~860MHz can be customized.Center operating frequency can be configurable, with a step of 1KHz. |
| Transmission power | 1W(30dBm) or 2.5W(34dBm),optional 10W/ 20W |
| Audio and video processing | |
| Support video input | Default single-channel video input: HD or SD. Video input is automatically detected after power on. If connected at the same time, it defaults to the preferred HDMI input, and can also be changed to the preferred AV input. Optional dual video input simultaneous encoding and transmission. |
| Supported video formats | 1080@60P, 1080@50P, 1080@30P, 1080@25P, 1080@24P, 1080@60I, 1080@ 50I, 1080@30I, 720@60P, 720@50P, 720@30P, …… 720*480 60I(NTSC), 720*576 50I(PAL) |
| Video encoding | H265/H264 |
| Audio input | HDMI embedded audio or analog audio |
| audio format | AAC, 16bit, stereo, 32Kbps |
| Encryption | AES256 |
| Size | 104.5*50*27mm(Excludes protruding connectors) |
| Weight | Less than 140g |
| Power and Power Consumption | DC 12V power supply(11~13V) Power consumption for 1W PA power amplifier is less than 15W, and power consumption for 2.5W PA power amplifier is less than 23W. |
| Latency | H265:200~300 ms; H264: 50~130 ms |
HC-T820 video transmitter interface signal:
For the ground end, we would recommend to use below COFDM wireless downlink Receiver with HDMI/AV/Ethernet/USB output
COFDM Wireless Receiver Key Features: