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Long Range DVB-T COFDM Digital Transmitter Module Wireless Video Link Radio OEM
Attribute
Value
Video encoding
H265/H264
RF power
-93dBm to -5dBm
Input voltage
7~24VDC
Latency
H265:200~250ms, H264: 50~130ms
Video Format
1080@60P
Encryption
AES256
Key Features
COFDM modulation technology makes it suitable for NLOS wireless video transmission
H265/H264 video encoding, supporting multiple video formats
Support video input via HDMI and AV interface, with 2-channel video compression and transmission capabilities
AES256 encryption, grade data security
Support non-line-of-sight high-speed mobile transmission up to 800km/hour, suitable for UAV Drone video download link
Overview
The COFDM Digital transmitter module has HDMI/AV inputs interfaces, adopts COFDM modulation technology and H.265/H.264 encoding, and can complete video and audio transmission with low latency in high-speed motion NLOS (none line of sight) conditions. The COFDM digital transmitter module consists of two boards (video codec encoder board and COFDM modulator board) with flat cable connection. The module also provides a transparent transmission uart (unidirectional).
Technical Specifications
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.
