This Shure ULXS4 wireless receiver operates on the M1 band, with a frequency range of 662 - 698 MHz. 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 depending on the country.

Using the Shure ULXS4 wireless receiver is easy. First, make sure you have a suitable power supply as it's not included with the product. Connect the necessary audio cables to your audio equipment. Keep in mind that it doesn't come with antennas, so you'll need to get them separately. Before using, check your country's wireless frequency laws to avoid any legal issues. For maintenance, keep the receiver in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. If there are any issues, refer to the user manual or contact Shure's customer service.