This Sennheiser ew 500-945 G3 handheld mic system operates in the 470-516 MHz frequency range. Note that it doesn't come with a power supply or antennas for the transmitter. Before you buy, make sure to check your country's wireless frequency regulations as some ranges may be illegal in certain countries. It's equipped with an e945 capsule for great sound quality.

Using this Sennheiser handheld mic system is simple. First, you'll need to get your own power supply as it's not included. Connect the necessary devices and you're ready to start using it. When using, be aware of your country's wireless frequency laws. Some frequency ranges in this system might be illegal where you are. As for maintenance, keep it clean. Wipe it with a soft cloth regularly. If you need to store it, make sure to put it in a dry and safe place. And don't forget, since it doesn't come with transmitter antennas, you'll need to arrange those on your own.