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

Merheba!

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
range Frequency 280 – 300 MHz
RF impedance 50 Ohms
Di rewşa tevgera bilez a NLOS de baş bixebitin: SMA jin
Derengiya jêrîn, herî kêm dereng dawiya dawî 250ms e
128-şîfrekirin û şîfrekirina AES-ê bit

TX
– Transmit power 15 – 25 W
– Input video:1Vp-p,75Ohm
– Input audio: dûdeng
– Video program format: MPEG-2
– Input video 1080 50ez, 1080 60ez, 1080 24P, 1080 25P, 1080 30P, 1080 50P, 1080 60P, modên cihêreng adapteyî ne.
– Video format: NTSC, PAL dikarin set
germahîya Operating : -20 ° C ~ +50 ° C

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

what is the price of such a transmitter and receiver?

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