Any radio signals within limits of the unit can be found using this mode.
The Extreme upgrade is well worth it if you use the discovery mode or analyzer mode. I have used Extreme to find new TGID's as well as new frequencies or even to verify frequencies from VHF High through 900Mhz.
Well I got it! I don't understand it but I have it lol. I am scanning 25.0 to 900.0 to see if it discovers anything. Okay I found where different service types fall between different numbers. Any advice on getting started?