There is a single surface-mount diode that if removed will allow transmission on the entire frequency range...
You will need an inexpensive 2 meter radio for vhf...
You can get a fine 25watt mobile radio for 79.99 delivered at Amazon...covers 2 meters and 440.
The 7300 has SSB, CW, RTTY, AM, FM modes.
RTTY is a sort of old-school digital mode...text transmissions like the old news teletype machines...works well. most any rig can do some form of digital with an adapter.
This ad is from gigaparts.com

Thanks again. This is very helpful.