2020年9月23日 星期三

FEBON Wireless UHF DVB-T COFDM HDMI / COMPOSITE INPUT transmitter modulator (generator) BOX.




FEBON  Wireless UHF DVB-T COFDM HDMI INPUT  transmitter modulator (generator) BOX.


SAMPLE PRICE : TBD




we can change the UHF DVB-T TX parameter on the bottom.





After you connect the UHF antenna,  hdmi singal will become UHF DVB-T  singal

it is wireless!!





HDMI INPUT DVB-T TX BOX technical spec

1. frequency: 142.5Mhz ~ 858Mhz, step=1KHZ
2. Bandwidth: 6MHZ, 7MHZ, 8MHZ
3.constellation: QPSK, 16QAM, 64QAM
4.Code rate 1/2, 2/3 3/4, 5/6, 7/8
5.GUARD interval : 1/32, 1/16, 1/8, 1/4
6. transmission MODE: 2K, 4K, 8K
7. RF Power: -14 ~+6dbm
8. hdmi input / output
   480i  59.94 field-> 480p 30fps
  576i   50 field  -> 576p 25fps
  720p  50/60fps  ->  720p 50/50fps
 1080i  60field  -> 1080 i 60field
  1080p  60fps -> 1080i 60field
   1080i  50fied-> 1080i  50field
   1080p  50fps -> 1080i  50field












SJ4000 ( GoPro like) camera hdmi output conenct the HDMI DVB-T TX modulator box.





iPad as the video source




















Wireless UHF  signal can be receive by many Tuner at the same time.


The below demo will show that Wireless DVB-T UHF is received by TV tunner and USB DVB-T RX tunner on MAC.











With PA ( power amplifier)
















it can let Wireless distance become 500m






沒有留言:

MEVO Start直播攝影機開箱測試 |臉書1080p直播 | USB webcam模式 | NDI模式 | HDMI輸出接導播機ATEM MINI

前幾天有一個外國人問我是否MEVO Start 直播攝影機是否可以轉成hdmi 輸出 因此,我就花了一萬五千元買了一台MEVO Start 測試 MEVO Start 直播攝影機,的影像原始解析度非常高, 利用數位放大的方式,達成類似攝影機的PTZ ...