COFDM Wireless yees duab Transmitter Receiver Transmission HDMI HD 1080P composite CVBS hauv H.264 COFDM-904T

Wireless yees duab Transmitter Receiver

COFDM Wireless Video Transmitter Receiver Transmission HDMI HD 1080P composite CVBS in H.264 COFDM-904T

Ntsiab lus muag

0.5～1W RF output;

HD 1080P, SD 720P composite CVBS hauv

H.264/MPEG-2;

Ncua <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

How to change the frequency at receiver, please check below picture:

Specification (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、16QUAJ、64QAM）
Video bit rate	2~10MHz
Working bandwidth	6MHZ，8MHZ
Ncua	300 Millisecond
Compression format	H．264
Image clarity	1080P @60/50/30(backward compatible)
Kev Khiav Hauj Lwm Rau Kev Khia	DC9 ~ 28V
Hwj huam	≤8W @ standard power 500mW
weight	≤100g
Product Size	80 * 65 * 20mm

NQAIJ NYOO

Lus nug: Can you send me the price list?

Teb: Muaj, please send your email inquiry to us.

Lus nug: Any chance to change to 2 Lossis 5 GHz band?

Teb: Now our Transmitter frequency supports from 170~1500Mhz.

Lus nug: COFDM-904T has HDMI input?

Teb: Muaj, COFDM-904T has HDMI and CVBS input. It supports the GoPro camera.

Lus nug: COFDM-904T is only 4 Channels?

Teb: 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.

Lus nug: What about the data rate? Support 8M-10Mbps?

Teb: Default is 3M, we also can support 8-10Mbps if adjust the parameter.

Lus nug: Can I set manually by me?

Teb: 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.

Lus nug: I need COFDM-904T work on 1080i 50 at least at 8-10Mbps

Teb: It is no problem.

Lus nug: Can I set manually all the parameters by myself?

Teb: 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)

Lus nug: Which is the max frequency value we can set?

Teb: 900Mhz, Need higher, please choose COFDM-902T

Lus nug: 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

Teb: OK, we can do the above sample if you confirmed.

Lus nug: Do you have any device, I can get a video on my computer?

Teb: Muaj, please check another page. COFDM Video USB Receiver.

Koj puas muaj lus nug, thov nyem No nug ib lo lus nug.

Gallery

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