The Sennheiser EW 300 G4-ME2-RC Wireless Lavalier Microphone System uses a bandwidth of up to 88MHz and features up to 32 channels. You also get a bodypack transmitter and an easy-to-set-up rackmountable receiver. This powerful clip-on mic package is reliable and easy to operate. The 300 series lavalier mic set ensures hands-free operation even during long performances or lectures.

The GW1 version has a 558–608MHz frequency range.
The AW+ version has a (470–558MHz) frequency range.