baofeng uv-82hd

I recently purchased the Baofeng UV-82HP which has the following frequency ranges: 136-174 MHz (VHF) 400-520MHz (UHF) A mature (Part 97) Usage I am curious if there is a way to get frequencies in the 700-850 range. If so, what do I need to do/buy? The channels id like to listen to are mostly...