I Have A few Older Cellphones that no longer work. Since I cant afford to build my own Analog towers I figure some one out there knows how to modify the transceiver so it will work on a gsm network. I dont care If it requires extensive modifying of original parts or even if the guts are completely removed and all new hardware installed as long as the old battery works and the phone appears original. If you dont know how to do a Tel T-A-C I also have an old ultra classic II and a Nokia 101 that I would also consider resto-moding. What ever it takes. Even If you have information that may help, Dont give me that guff about it being impossible I WILL Find a way. any help is appreciated.