I'm more than aware that the first generation cell band(s) are long gone, but I can't find anything about if those frequencies have been re-allocated by the FCC to another service or use. I find it hard to believe that space hasn't been re-assigned.
The only thing I found was this from the FCC;
The only thing I found was this from the FCC;
800 MHz Cellular Service
The Cellular Radiotelephone (Cellular) Service is in the 824 – 849 and 869 – 894 MHz spectrum range. The most common use of cellular spectrum is mobile voice and data services, including cell phone, text messaging, and Internet. Similar services include the 700 MHz Service, Advanced Wireless...
www.fcc.gov