I need a 6~20km long-range wireless HDMI video transmitter and receiver

Sawubona!

Which model to use when transmitting 1080 video and audio
over a distance of 6-20 km?

Requires the ability to program the parameters of the transmitter and receiver

COFDM
imvamisa ububanzi 280 – 300 MHz
RF impedance 50 ohms
Isixhumi se-RF: Ibanga lebanga olikhethayo
Ukubambezeleka okuphansi, ubuncane bokubambezeleka kokuphela kokuphela ngu-250ms
128-ukubethela kwe-AES nokubethela okuncane

TX
– Transmit power 15 – 25 W
– Input video:1VP-p,75Ohm
– Input audio: istiriyo
– Video program format: MPEG-2
– Input video 1080 50mina, 1080 60mina, 1080 24P, 1080 25P, 1080 30P, 1080 50P, 1080 60P, izindlela ezahlukahlukene ziyaguquguquka.
– Video format: NTSC, PAL kungaba isethi
izinga lokusebenza : -20 °C ~ +50 ° C

RX
-94dBm at 8M
Isiqophi isithombe: 1080
Audio output mode stereo unbalanced 300 / 200mv
izinga lokusebenza : -20 °C ~ +50 ° C

what is the price of such a transmitter and receiver?

According to the above demand, the below model is recommended.