The UHF-01HL offers high-quality voice reproduction with incredible clarity and reliability, at Gemini’s all-time low-price point that can’t be beat. 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-01HL 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 Confident Control The UHF-01HL 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 Built for Comfort On the Go The UHF-01HL Includes A Headset Lavalier Microphone That Has A Dynamic Operating Range Of 100 Feet To Ensure Don't Lose Signal. The Rugged Yet Lightweight Design Of The Microphone Is Perfect For All Day Wear Keep Your Signal The UHF-01HL 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