Sennheiser SKP 100 G4 Plug-On Transmitter for Dynamic Microphones A Frequency

Sennheiser SKM 100 G4-S-A Handheld Transmitter, No Capsule - Frequency A

Sennheiser SKP 100 G4 Wireless Plug-on Transmitter - A Band

Sennheiser SK 100 G4 Wireless Bodypack Transmitter - G Band

Sennheiser SKM 100 G4-S Wireless Handheld Mic Transmitter, No Capsule - G Band

Sennheiser SKM 100 G4-S-A1 Handheld Transmitter With Mute Switch

Sennheiser SK 100 G4 Wireless Bodypack Transmitter (Range A: 516 - 558 MHz )

Sennheiser EK 100 G4 Wireless Camera-Mount Receiver A: (516 to 558 MHz)