UAM - look in the Wiki before Speaking.
DEA is UHF [406-420], just like the Repeater in your back area.
What is being heard is part of the IWN [Integrated Wireless Network]
This one Frequency has been known to use more than one NAC
a.) Local vs b.) Wide Area vs c.) ???
So far found on this one Freq is $130, $230, $340, and $20C in AZ
PS - no need to Cross post, folks will find your posting in due-time and reply
Drug Enforcement Channel?
Originally Posted by KB1UAM
I don't think its such a good idea to give out so much information about what you heard. if its in the 170s maybe its dea?????