H.265/ H.264 COFDM Transmitter Module With Low Latency And AES256 encryption
Key Features:
Transmitter Module Overview:
The COFDM transmitter module adopts COFDM modulation technology and H.265/H.264 encoding, achieving low latency video audio transmission in high-speed motion and NLOS (none line of sight) conditions. It is composed of two boards by flat cable (video codec encoder board and COFDM modulator board). It also provides one transparent transmission uart(unidirectional).
Technical Specifications:
H.265/ H.264 COFDM Transmitter Module With Low Latency And AES256 encryption | |
Input / Output interface | |
HD video input | HDMI,HDMI type A Connector |
Composite video input | 4PIN PH1.5mm connector(CVBS Analog Audio Video Input) |
UART Data | 3PIN 1.5mm pitch connector,default to be TTL3.3V level, standard RS232 level can also be optional before shipment. |
UART Control | 4PIN PH1.5mm 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 | 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 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) |
RF | |
Frequency bands | 200MHz~2300MHz(other bands can be supported with special manufacturing) |
Tunning Step Size | 1KHz |
Power out | Configurable from -93dBm to -5dBm(subject to frequency) |
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(Specify Mic in/Line in) |
audio format | AAC, 16bit, stereo, 32Kbps |
Encryption | AES256 |
Latency | H265:200~250 ms; H264: 50~130 ms |
Monitoring and control | Comprehensive setup with our Config Panel or other device via control UART |
Temperature Range | |
Full specification | 0° to +70°C Ambient (Optional: -40° to +85°C ) |
Storage | –40° to +85°C |
Dimensions | |
Size | 70*45*14mm(not including connectors out of the board) |
Power requirements | |
Input range | 7~24VDC |
Power Consumption | <340mA@12V |
The Transmitter Module can operate in different functional modes with different firmwares.The default normal function of of HCT820-M transmitter module will be paired our HD5 receiver module.
Difference between the HD5 and HD1 Receiver modules:
For the HD5 receiver module, the HD video latency from input of the transmitter to the HDMI screen displaying of the receiver is about 200ms to 250ms.
And for the HD1 receiver module, the latency is only about 130ms.