Bob Bob writes:

I'd suggest it isnt worth attempting. The frequency change is more
than 3:1 from the original TV use.

There are a lot of simple 2.4GHz designs out there that are worth
looking at.

Here are some cool ones build using Chinese cookware and USB Wi-Fi
adapters:
http://www.usbwifi.orcon.net.nz/
E.g. this one:
http://www.usbwifi.orcon.net.nz/usbscoop.jpg

73
LA4RT Jon