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1080P COFDM Drone Video Transmission 20KM CVBS HDMI Simultaneous

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1080P COFDM Drone Video Transmission 20KM CVBS HDMI Simultaneous

Brand Name : LinkAV
Model Number : LinkAV C654-1W
Certification : CE
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Western Union, MoneyGram, L/C
Delivery Time : 10-20 working Days
Packaging Details : Standard Export Packaging
Modulation : QPSK(4QAM)\16QAM\64QAM
Los : 20KM
Video Compression : H.264
Rate : 3MBps~32MBps
Receiving Sensitivity : -106dBm (at 4Mhz)
Video format : CVBS (NTSC / PAL) 1080P HDMI
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1080P COFDM Drone Video Transmission 20KM CVBS HDMI Simultaneous


Drone Video Transmission​ Specification:

Transmission Characteristics
ModulationQPSK(4QAM),16QAM,64QAM
Frequency300MHz-2.7GHz ( Default 700MHz/2.4GHz)
Transmit power30dBm
RF bandwidth2MHz~8MHz(optional),1KHz step
FEC(forward error correction)1/2,2/3,3/4, 5/6,7/8
Guard Interval1/4,1/8,1/16,1/32
Rate3MBps~32MBps
Antenna Gain3.5dbi (Omni Antenna) (optional)
Transmission rangeAir to Ground 20km
Data Characteristics
Video Input

HDMI: 1080 60P,1080 50P,1080 30P,1080 25P,1080 24P,1080 60I,1080 50I,1080 30I,720 60P,720 50P,720 30P,... (Mode adaptive)
AV:720x480 60I(NTSC),720x576 50I(PAL) (Mode adaptive)

Video CompressionH.264
RF InterfaceSMA F head
Parameter Control MethodUsing digital LED control panel
Encryption256 - bit AES (can set user’s password)
Electrical Characteristics
Working VoltageDC12V
Working Current≤1.2A(@12V)
power consumption≤14.5W
Physical Characteristics
Weight105g
Dimensions77x54x23.5mm
Working Environment-10℃~+70℃


Transmission Characteristics
ModulationCOFDM
ConstellationQPSK(4QAM),16QAM,64QAM
Frequency200MHz-2.7GHz optional(Default 700MHz/2.4GHz)
RF bandwidth2MHz~8MHz(optional),1KHz step
FEC(forward error correction)1/2, 2/3, 3/4,5/6, 7/8
Guard Interval1/4,1/8,1/16,1/32
Sensitivity-106dBm(at 4Mhz)
Data Characteristics
Video Output

HDMI:1920x1080 p60

AV:720x480 60I(NTSC)

Video CompressionH.264
RF InterfaceSMA F head
Storage interfaceTF card (128G)
Parameter Control MethodUsing digital LED control panel
Encryption256 - bit AES (can set user’s password)
Electrical Characteristics
Working VoltageDC6V-15V
Working Current≤0.2A(@12V)
power consumption≤2.5W
Physical Characteristics
WeightLess than 248g
Dimensions114.4x91x32.8mm
Working Environment-20℃~+70℃


The LinkAV C654 transmitter is a mini COFDM video transmitter from Wireless LinkAV, designed specifically for UAV/ Drones video transmission applications.
With proven LinkAV COFDM technology and H.264 encoder technology at its core, the LinkAV C654 transmitter enables viewers high definition images ideal for establishing rugged wireless video links in all environments including mobile and urban environments.
The small size and ultra-low power consumption make the LinkAV C654 transmitter ideal for UAV installations, enabling true long range HD quality transmission from these increasingly popular devices for the first time. Optional lightweight, low power consumption amplifiers are also available for even greater range capability.
LinkAV C654 transmitter can transmit images air to ground up to 20km, depending on mode and frequency.


LinkAV C204 Mini Wireless Receiver is a compact digital diversity receiver in a durable, compact and lightweight housing. It can receive multiple different frequencies of transmitter audio signal, support HDMI and CVBS interface with external display and USB storage.

it can realize the AV transmission between the transmitter and the mini receiver LinkAV C204.

Adopting the advanced foreign technology of diversity reception, to overcome the simulation technology and conventional modulation technology under multipath reflection image transmission, and keep real-time transmit high quality SD/HD image under high speed mobile and NLOS conditions, particularly suitable for using in complex environment


Note details:

Make sure to install the transmitter antenna before power on,keep the antenna vertical state.


Transmitter power cable connect to the battery for transmitter power supply


AV and HDMI optional to work as video input source.


FM board connect to the data port, to modify transmitter or receiver parameters.


Please keep the receiving antennas upright, and keep 2 antennas at least 3meters away from each other to avoid signal interference.metal objects around will also affect received signal.


The receiver end input power supply voltage is 6-15V, the adapter output voltage is 12.6V @ 2A,please make sure that the supply voltage is within the required range.


Receiver AV/ HDMI optional to work as video output. Can’t be used at the same time.


If necessary, use the data cable to connect the FM board to the receiver Config port, set the parameters of the receiver.


If you want to save the video on the receiver end, put the TF-Card storage medium to the TF-Card port , make sure the strorage medium is connected to the device, press REC button, then it can start to store the video.


Othe RF antennas must be far away from the video receiving antennns , the shortest distance is 6meters, or the proformance would be effect.


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1080P COFDM Drone Video Transmission 20KM CVBS HDMI Simultaneous Images

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