Wireless Video Transmitter Receiver
COFDM Wireless Video Transmitter Receiver Transmission HDMI HD 1080P composite CVBS in H.264 COFDM-904T
Points de vente
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
How to change the frequency at receiver, please check below picture:
Spécification
| 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、16MAQ、64QAM） |
| Video bit rate | 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 |
| Consommation d'énergie | ≤8W @ standard power 500mW |
| weight | ≤100g |
| Product Size | 80 * 65 * 20mm |
FAQ
| Question: Can you send me the price list? |
| Répondre: Oui, please send your email inquiry to us. |
| Question: Any chance to change to 2 ou 5 GHz band? |
| Répondre: Now our Transmitter frequency supports from 170~1500Mhz. |
| Question: COFDM-904T has HDMI input? |
| Répondre: Oui, COFDM-904T has HDMI and CVBS input. It supports the GoPro camera. |
| Question: COFDM-904T is only 4 Canaux? |
| Répondre: 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? |
| Répondre: Default is 3M, we also can support 8-10Mbps if adjust the parameter. |
| Question: Can I set manually by me? |
| Répondre: 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 |
| Répondre: It is no problem. |
| Question: Can I set manually all the parameters by myself? |
| Répondre: 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? |
| Répondre: 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 Mbit/s, 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 (LDV) Line Of Sight. RF power at 500 mW, remember, data rate MUST be fixed (not variable) à 10 Mbit/s, 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 |
| Répondre: OK, we can do the above sample if you confirmed. |
| Question: Do you have any device, I can get a video on my computer? |
| Répondre: Oui, please check another page. COFDM Video USB Receiver. |
Do you have any question, please click ici poser une question.
Gallery
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