Sennheiser EW122P G3 Wireless Lav Mic (A-Band) w/ SKB Hard Case & Cable Ties A Band (516-558MHz) Sturdy metal housing (transmitter and receiver) 42 MHz bandwidth: 1680 tunable UHF frequencies for interference-free reception Pilot tone squelch for eliminating RF interference when transmitter is turned off Bonus: SKB Hard Case & 2 Cable Ties