This unit doesn't come with a power supply. 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 ASA 1 Active Antenna Splitter is straightforward. First, connect it properly to your system following the basic connection steps. But remember, it doesn't have a power supply, so you'll need to arrange one separately. Before using it, check your country's wireless frequency laws. If you use an illegal frequency range, you may face problems. For maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures and moisture. Regularly check the connections to ensure they are secure. With proper use and care, this antenna splitter will serve you well.