AES 256 Encrypted UAV Video Transmitter With 1W 2W 5W PA Power Amplifier Output
Key Features
- COFDM modulation technology
- H265/H264 video encoding supporting up to 1080P/I @60fps
- AES256 encryption
- Non-line-of-sight transmission capability at speeds up to 800km/h
- Fully configurable center frequency, wireless bandwidth, and transmission stream
Product Overview
The HC-T820 high definition digital UAV video transmitter features a built-in encoder board, COFDM modulator module, and mini 1W/2W/5W power amplifier. Encased in CNC aluminum alloy, it offers compact dimensions, lightweight construction, high resolution, and extended transmission range.
Technical Specifications
Interfaces
| Model Number |
HCT820 |
| HD Video Input |
Standard HDMI interface |
| SD Video Input |
4PIN 1.5mm pitch connector (CVBS Analog Audio Video Input) |
| Data Transmission |
3PIN 1.5mm pitch connector (default TTL3.3V level, RS232 optional) |
| Configuration Port |
4PIN 1.5mm pitch connector (TTL3.3V) |
| 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) |
| 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 |
| Frequency Range |
300~860MHz (customizable with 1KHz steps) |
| Transmission Power |
1W (30dBm) or 2.5W (34dBm), optional 10W/20W |
Audio and Video Processing
| Video Input |
Auto-detected HD or SD (HDMI preferred) |
| Supported Formats |
1080@60P, 1080@50P, 1080@30P, 1080@25P, 1080@24P, 1080@60I, 1080@50I, 1080@30I, 720@60P, 720@50P, 720@30P, NTSC, PAL |
| Video Encoding |
H265/H264 |
| Audio Input |
HDMI embedded or analog |
| Audio Format |
AAC, 16bit, stereo, 32Kbps |
| Encryption |
AES256 |
| Dimensions |
104.5 × 50 × 27mm (excluding connectors) |
| Weight |
< 140g |
| Power Requirements |
DC 12V (11~13V), <15W for 1W PA, <23W for 2.5W PA |
| Latency |
H265: 200~300ms; H264: 50~130ms |
HC-T820 Video Transmitter Interface

Recommended COFDM Wireless Receiver
Receiver Key Features
- COFDM demodulation with H.264 video decoding
- Full HD resolution (1080P@60fps)
- AES decryption for security
- DVR recording via Micro SD card or USB disk
- Built-in RTSP server for Ethernet video streaming
- USB host support for remote device streaming
- OSD mode for on-screen display characters
- Stable NLOS and high-speed mobile performance
- Adjustable working frequency and bandwidth