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

Ahoj!

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
Frekvenčný rozsah 280 – 300 MHz
RF impedance 50 ohmov
RF konektor: SMA žena
Nižšie oneskorenie, minimálne oneskorenie medzi koncovými bodmi je 250 ms
128-bitové AES šifrovanie a dešifrovanie

TX
– Transmit power 15 – 25 W
– Input video:1Vp-p,75ohm
– Input audio: stereo
– Video program format: MPEG-2
– Input video 1080 50ja, 1080 60ja, 1080 24P, 1080 25P, 1080 30P, 1080 50P, 1080 60P, rôzne režimy sú adaptívne.
– Video format: NTSC, PAL môže byť set
Prevádzková teplota : -20 ° C ~ +50 ° C

RX
-94dBm at 8M
video image: 1080
Audio output mode stereo unbalanced 300 / 200mv
Prevádzková teplota : -20 ° C ~ +50 ° C

what is the price of such a transmitter and receiver?

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