As the name implies, a filter will either allow or reject frequencies from passing through and onto your radio In this session, we discuss: High Pass & Low Pass Filters Band Pass & Band Reject Filters Common filter terms Why we use filters Where to install a filter What to look for when buying a filter   All session notes can be found on our website at www.scannerschool.com/session34   Please support the Scanner School podcast.  Visit www.scannerschool.com/support to see how you can help us.  Some of the ways you can support us won't cost you any additional money!