wireless video transmitter for the helmet camera
COFDM Wireless Video HDMI Transmitter TX Transmission HDMI HD 1080P CVBS H264 Encoder COFDM-907T
COFDM Wireless Video HDMI Transmitter
COFDM Wireless Video HDMI Transmitter TX Transmission HDMI HD 1080P CVBS H264 Encoder COFDM-907T
Ang transmiter ng COFDM-907T ay isang napakabilis na aparato ng paghahatid ng data para sa mga de-kalidad na aplikasyon ng video at audio transmission. Bilang karagdagan sa de-kalidad na mga kinakailangan sa video at audio ng camera, ang encoding stream, and channel rate requirements are very high. Maaari itong magpadala ng H.264 mataas na kalidad codec, a receiver image resolution up to 1920X1080P/60.
Talaan ng nilalaman
detalye
| Pag-encode | H.264, MPEG-2 |
| Dalas Banda | 170MHz ~ 930Mhz (adjustable dalas Available kapag binanggit) |
| modulasyon Format | COFDM / DVB-T |
| Output Power Amplifier | 1W 2W 5W 10W (Preset sa pabrika bago maihatid |
| Channel Bandwidth | 6MHz 7MHz 8MHz |
| Subcode carrier modulasyon | QPSK, 16QAM, 64QAM |
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 |
| Guard Palugit | 1/32，1/16，1/8，1/4 |
| Code ng video stream | 2Mbps ~ 22Mbps |
| System latency | 300 millisecond |
| transmission Saklaw application |
visual na hanay airborne paggamit pandagat na application urban Application suburban Application |
| compression Format | H.264 / MPEG-2 |
| Petsa Input | UART (115200bit / s) |
| Video-input | HDMI, CVBS (video-audio) |
| Input Audio | isteryo, AL Kaliwa AR karapatan |
| image Definition | 1080P / I (1920 * 1080) compatible 720P / ko,576P / ko,480P / ko,SD( frame rate @ 25fram / S) |
| Video-Input Interface | 4P 1.25 Ribbon cable interface, HDMI standard na interface |
| Input Boltahe Saklaw | 10V ~ 35VDC |
| Paggawa Temperature | -20~ + 65 ℃ |
| imbakan | -40~ + 70 ℃ |
| sukat | 93mm × 56mm × 23mm(L × W × H) |
| Timbang base unit | 80g (Sa pamamagitan ng fan) Kasama ang antenna 138g |
LED at Dalas
| LED Kulay | nota | dalas |
| 1 0 0 | 1st Green LED is always on, and tx is working; 2nd at 3rd Blue LED ay naka-off | 503Mhz |
| 1 1 0 | 1st Green LED is always on, and tx is working; 2nd Blue LED ay nakabukas at ang ika-3 Blue LED ay naka-off | 509Mhz |
| 1 0 1 | 1st Green LED is always on, and tx is working; 2naka-off ang Blue LED at naka-on ang ika-3 Blue Blue | 515Mhz |
| 1 1 1 | 1st Green LED is always on, and tx is working; 2nd at ika-3 Blue Blue ay nakabukas | 521Mhz |
TX Pin Tukuyin
(also note that you need this cable to have the UART TX RX function)
P1. Audio L
P2. Audio R
P3. Video
P4. GND
P5. Vcc
P6. GND
P7. TX
P8. RX
Gallery
COFDM HDMI Tatanggap COFDM-907r
| pamantayan | DVB-T / DVB-T2 COFDM Standards module na may Pagkakaiba-iba 2 antena | ||||
| modulasyon Format | COFDM / DVB-T | ||||
| Supply Boltahe | 12-24VDC | ||||
| Dalas ng Saklaw | 170MHz ~ 930MHz (madaling iakma, at customized 2.4-5.8G magagamit sa iyong kahilingan) | ||||
| Channel Bandwidth | 6MHz / 7MHz / 8MHz | ||||
| Subcode carrier modulasyon | QPSK,16QAM,64QAM | ||||
| Guard Palugit | 1/8, 1/4 | ||||
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 | ||||
| Input impedance | 50Ω tabingi | ||||
| Konsumo sa enerhiya | tumatakbo:3W Max. (DC 12V in); standby: 0.5W Max. (DC 12V in) | ||||
| Remote Control Interface | UART / AT | ||||
| Paggawa Temperature | -20℃ ~ + 50 ℃ | ||||
| storage Temperature | -40℃ ~ + 65 ℃ | ||||
| Audio output | isteryo | ||||
| aspect ratio Video | 16: 9; 4:3 | ||||
| paghahanap | Awtomatikong Channel Paghahanap, manual Paghahanap | ||||
| Output Interface Video | CVBS, HDMI | ||||
| infrared control | Standard NEC remote infrared receiver | ||||
| sukat | 112mm × 67.5mm × 22mm | ||||
| remarks | Advanced signal processing para sa mga mobile na mga kondisyon sa kapaligiran | ||||
Mga FAQ
halos 14 Watts pagkonsumo.
1W is enough for a 1km distance. But we will make 2W for you to ensure the best reception performance.
It also depends on your local environment, whether it is LOS or NLOS, please check our test video, there are many floors and buildings.
For changing different power amplifiers about 500 MW, 1 wat, 2 wat, o 10 Watts. Ito ay hindi lamang pagsasaayos ng setting sa software, Kailangan mo ring baguhin ang Power amplifier hardware sa loob ng transmitter. Hindi ito maaaring gumana at magbago sa normal na end-user, at ang halaga at ang laki ng metal box ng transmitter ay iba.
Ang default na setting ng dalas ay 503 Mhz, 509 Mhz, 521 Mhz, at 521 Mhz upang pumili, maaaring magbago ang isang buton sa cabinet. Kung talagang kailangan mo ng 1.3Ghz band lang, dapat kang pumili ng ibang modelo (1.2G o 1.4G). Mangyaring sabihin sa amin ang mga detalye ng iyong kahilingan.
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