Yes, I have a 800 Mhz mobile antenna that I use with this scanner. I normally use my ICOM ham rig to monitor conventional VHF/UHF channels so am using the GRE primarily for the trunked systems.
I have thought about using external attenuators, but have some doubts about how this would work. If the attenuator is effective in blocking out the strong signals generated by the nearby cell towers, won't it also block out the much weaker 800 Mhz radio signal, since they are fairly close in frequency?
I understand that the rebanding effort is an attempt to get the 800 Mhz public safety users a little further away from the frequencies used by Nextel (now Sprint). I wonder if this will make the interference issue go away for us scanner users, or if we will still have a problem.
I hear that rebanding is still a couple of years away here in the Seattle area.
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