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

Hi!

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
Dalas ng hanay 280 – 300 MHz
RF impedance 50 ohms
RF connector: opsyonal na grado ng distansya
Mababang pagkaantala, ang minimum na end-to-end na pagkaantala ay 250ms
128-pag-encrypt at pag-decry ng bit AES

TX
– Transmit power 15 – 25 W
– Input video:1VP-p,75oum
– Input audio: stereo
– Video program format: MPEG-2
– Input video 1080 50ako, 1080 60ako, 1080 24P, 1080 25P, 1080 30P, 1080 50P, 1080 60P, iba't ibang mga mode ay umaangkop.
– Video format: NTSC, PAL ay maaaring maging set
operating temperatura : -20 ° C ~ +50 ° C

RX
-94dBm at 8M
Mga imahe: 1080
Audio output mode stereo unbalanced 300 / 200mv
operating temperatura : -20 ° C ~ +50 ° C

what is the price of such a transmitter and receiver?

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