I used to use old eproms purchased at hamfest for $1 each. Used the sun to erase them and generic eprom writer. Real part is easier if you don't have that stuff. Ya got to have 1 real one to read first.

If you the logic board with the 14 pin connector on back, you can do the 32 channel upgrade and/or convert to trunking as well. You need an uploaded image from one of those radio's and a new front. Of course the cable and software too. Piece of cake.

can you say "GP68" ? Channels on the fly....
How about a Super Station Master at 350', 250 watts on FRS channel?
The NEW CB is here!

It would be nice- I have some T-band 470 channels in there- be cool to have my HAM repeaters in there too. Oh well. Some day it will come.
NikolaTesla

I have a S range (450 to 527 Mhz) EX 500. Does anyone know if it is posible to enter somehow Ham frequency into this radio? (440 to 450 mhz).
I realize there is a lower range unit but thats not what I have. Are there any secret keys to press durring programming process? I tried "SHIFT" with no ...