Sennheiser SKM 100 G4-S A-Band, Hand-Held Transmitter for the EW 100 G4 Systems, Frequency range: A-band (516 - 558 MHz), Illuminated display, With mute switch, Charging contacts, Operable with 2x 1.5 volt AA batteries, Pilot tone, Includes MZQ1 microphone holder and batteries@+*Note:* Capsule not included.