First of all what radio are you using to scan that system? It is hard to tell you an antenna when we dont know what connecter you radio is. The antenna also has alot of varibles to it. Are you in a urban enviroment or in the county part of the city? If you are in an urban enviroment you probaly need a 1/4 wave UHF antenna and if you are in the county you probaly need a dB gain antenna.Hi,
I am looking for a good antenna for 460 for an apco 25 system. My RS discone isn't cutting it and back of set antenna although better than the discone still isn't dependable.