| 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 |
