urban range

I'm a current P3 S owner and considering to upgrade to a P4. First I would like to know what is considered good range in a crowded city with apartment buildings, trees exct. So far I have done the following modifications Both 2.4ghz antenna mods with Amps and same on the 5.8ghz. I have Alpha...

I'm on day two of owning a new P4P v2.0 and am about to return it due to the horrible range I am getting out of it. The first day I could barely get it off the ground in my backyard (a 50ftx50ft grass area) because the signal seemed to be dropping out so bad. I live in a suburb of Phoenix so it...