Sennheiser SK 500 G4 GW Band
Sennheiser SK 500 G4 GW Band, UHF Bodypack, Frequency range: GW band (558 - 626 MHz), Frequency response: 25 - 18,000 Hz, Frequency transmission over infra red interface, Charging contacts for optional BA 2015 (NiMH) rechargeable battery (not included), Pilot tone, 4-Digit battery indicator