This Sennheiser EM 500 G3 wireless receiver operates in the 516 - 558 MHz frequency range. Note that it doesn't come with a power supply or antennas. Before buying, make sure to check your country's wireless frequency regulations as some frequency ranges may be illegal to use. The unit has only been power - tested.

How to use: First, connect an appropriate power supply (not included) to the receiver. Then, tune it to the desired frequency within the 516 - 558 MHz range. You'll need to connect your own antennas to get the best signal. Remember to check your country's wireless frequency laws before using it. Maintenance: Keep the receiver in a dry and clean place. Don't expose it to extreme temperatures. If there's dust on it, use a soft, dry cloth to clean it. Note: Make sure the power supply you use matches the receiver's requirements. Using an incorrect power supply may damage the unit.