We’ve added in multiple bandwidths offering you a wide range of frequencies to ensure you’ll always have excellent sound reproduction. Reach Everyone The UHF-01M Wireless System Features A State-Of-The-Art UHF Single Channel Receiver with Reliable Frequency Stability of 533.7 MHz To Give You A Clear Voice That Will Ccarry Across Any Room. Built for On the Go The UHF-01M Includes A Handheld Microphone That Has A Dynamic Operating Range Of 150 Feet To Ensure Don't Lose Signal. The Rugged Yet Lightweight Design Of The Microphone Is Perfect For All Day Use. Confident Control The UHF-01M System Features A Full Range Volume Rotary Control That Allows You To Perfectly Craft How Your Audio Is Received For The Ultimate Level Of Control. Keep Your Signal The UHF-01M Unit Houses Super Bright RF LED Indicators That Monitor Signal Strength So You Don't Have To, Keeping You At The Top Of Your Performance.