This Sennheiser EM 500 G2 wireless receiver operates at 740 - 776 MHz and is designed for use outside the U.S. Before buying, check your country's wireless frequency regulations as some ranges may be illegal. It comes without a power supply and antennas. There's a small amount of adhesive residue on the screen, and it has only been power - tested.

How to use: First, make sure you've checked your country's frequency laws. Since this receiver doesn't come with a power supply, you'll need to find a suitable one. Connect the necessary devices to start using it. Note: Always check the frequency range according to your country's rules to avoid legal issues. Maintenance: Keep the receiver clean. You can use a soft cloth to gently wipe the screen, being careful not to damage it. If there are any problems, consult a professional technician.