This Sennheiser ew 500 G3 handheld wireless system operates in the A1 frequency range of 470 - 516 MHz. Before you buy, make sure to check your country's wireless frequency rules as some frequencies may be illegal in certain countries. Note that antennas are not included. The package comes with a proper power supply, ensuring you have what you need to get started right away.

Using this Sennheiser wireless system is easy. First, connect the power supply to the system. After that, turn on the device and it's ready for use. But remember, always check your local wireless frequency laws before using it. This will help you avoid any legal issues. When it comes to maintenance, keep the system in a dry and clean place. Don't expose it to extreme temperatures or humidity. Also, don't forget that antennas aren't included in the package, so you'll need to get them separately if you don't have any.