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COFDM Wireless Video Transmitter Receiver Transmission HDMI HD 1080P Composite CVBS in H.264
COFDM Wireless Video Transmitter Receiver Transmission HDMI HD 1080P Composite CVBS in H.264
Vcan Group Ltd.
Guangdong, Mainland China
Manufacturer
Manufacturer
Average Response time:N/A
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SUPPLIER INFO LAST UPDATED: Mar 27, 2019
ADVERTISE SINCE: Jul 31, 2009
Product Attribute(s)
Model No.:
COFDM-904T
Brand:
Wireless Video Transmitter
Colour:
Black
Description
  • COFDM Wireless Video Transmitter Receiver Transmission HDMI HD 1080P composite CVBS in H.264 
  • COFDM transmitter wireless video modulator UAV transmission HDMI nols module receiver 
Selling Points
  • 0.5~1W RF output;
  • HD 1080P, SD 720P composite CVBS in
  • H.264/MPEG-2;
  • Delay <500 Millisecond;
Test Video
  • 10Km test video from Drone Transmitter to Ground receiver. please check below link:
  • https://www.dropbox.com/s/rgmsnpnsrygc8fu/COFDM-904T-10Km-test-video.mts
Specification:
  • Product name High-definition map transmission transmitter
  • Product number COFDM-904T
  • Working frequency 300MHz ~ 900MHz can be customized
  • Antenna interface 50Ω SMA male or MMCX female
  • Modulation mode COFDM (QPSK、16QAM、64QAM)
  • Video bitrate 2~10MHz
  • Working bandwidth 6MHz,8MHz
  • Delay 300 Millisecond
  • Compression format H.264
  • Image clarity 1080P @60/50/30(backward compatible)
  • Operating Voltage DC9 ~ 28V
  • Power consumption ≤8W @ standard power 500mW
  • weight ≤100g
  • Product Size 80 x 65 x 20mm
FAQ
Question: Can you send me the price list?
Answer: Yes, please send your email inquiry to us.
Question: Any chance to change to 2 or 5 GHz band?
Answer: Now our Transmitter frequency supports from 170~1500Mhz.
Question: COFDM-904T has HDMI input?
Answer: Yes, COFDM-904T has HDMI and CVBS input. It supports GoPro camera.
Question: COFDM-904T is only 4 Channels?
Answer: COFDM-904T default has 4 frequency, if you need different or more, we will edit our software to do (170~900Mhz), Just send us your requirement details to us.
Question: What about the data rate? Support 8M-10Mbps?
Answer: Default is 3M, we also can support 8-10Mbps if adjust parameter.
Question: Can I set manually by me?
Answer: It is better to pre-set in the factory and test passed before delivery. If need, we can also tell you the solution to change frequency.
Question: I need COFDM-904T work on 1080i 50 at least at 8-10Mbps
Answer: It is no problem.
Question: Can I set manually all the parameters by myself?
Answer: If you add PA (booster), then you can not; If you don’t need PA (booster), then you can (PA is hardware, if you change the setting, hardware should be adjustable)
Question: Which is the max frequency value we can set?
Answer: 900Mhz, Need higher, please choose COFDM-902T
Question: If the band range is 300-900 I will tell you exactly 4 ones in between to set for me, then I will need constant data rate at 10 Mbps, modulation at 16QAM, FEC at 1/2 and Guard Interval at 1/32. Encoding at 4.2.2 if possible instead of 4.2.0, 200 Meters (NLOS) Non-Line Of Sight and 500 Meters (LOS) Line Of Sight. RF power at 500 mW, remember, data rate MUST be fixed (not variable) at 10 Mbps, try this setting and let me know how it works (better if you can forward me a short video directly recorded from the HDMI output of the receiver – NOT SHOOTING A MONITOR SCREEN! At least we need 27dbm
Answer: OK, we can do the above sample if you confirmed.
Question: Do you have any device, I can get a video at my computer?
Answer: Yes, please check another page. COFDM Video USB Receiver.
 

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