I have a pro 106 that I am trying to listen to p25 phase1. I can here them fine if. I am. About 4 miles from tower after that garble mess. Every one in a while I can hear a word or two I have 2.1 firmware upgrade. I don't understand what's going on. I even bought different scanners uniden gre and took them back same problem I also bought a 800 mhz antenna the system uses 700\800 mhz trunked system I live about 8 miles from the nearest tower. I also puit up a yage or beem outside antenna same problem ii work for the county that I am trying to listen to and my work radio. Beside my scanner pics up fine. The scaner. Garble mess. Any. Help= would be. Ahelp. Thanks for your time