This Sennheiser EM 500 G3 wireless receiver operates in the 516 - 558 MHz 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.

Using this Sennheiser EM 500 G3 wireless receiver is easy. First, connect it to an appropriate power source (since it doesn't come with one). Then, pair it with your wireless device. When using, always be aware of your country's wireless frequency laws. If you violate these laws, you might face penalties. For maintenance, keep the receiver in a dry and clean place. Avoid exposing it to extreme temperatures and moisture. Regularly check the connections to ensure they are secure. This will help your receiver work well for a long time.