It is not a problem for us to upgrade your Q9-RGB TX and RX MULTI signals on the latest version of FIRMWARE.
If you decide that you want to play the signalers and interception, you need to write it in the cover letter, then also your phone number and the address where you want to send it. You pack everything and send it to our address.
698 01 Veselí nad Moravou
We will upgrade your signaling devices and intercoms for you within 5 days and the price is CZK 200/piece.
Your FLAJZAR team