This Sennheiser EM 100 G2 wireless receiver operates in the 518 - 554 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 in certain countries.

Using this Sennheiser EM 100 G2 wireless receiver is easy. First, you'll need to provide your own power supply and antennas since they're not included. Connect the power supply to the receiver to turn it on. Then, connect the antennas properly to ensure good signal reception. Before use, always check your country's wireless frequency laws. Make sure the 518 - 554 MHz frequency range is legal in your area. To keep the receiver in good condition, avoid exposing it to extreme temperatures and moisture. Clean it regularly with a soft, dry cloth. If you have any problems, refer to the Sennheiser official website or contact their customer service.