This unit doesn't come with a power supply. Before buying, check your country's wireless frequency regulations as some frequency ranges may be illegal in certain countries.

To use this Sennheiser ASA 1 Active Antenna Splitter, first make sure it's connected properly to your antenna system. Remember, it doesn't have a power supply, so you'll need to use your own. Before starting to use it, always check your country's wireless frequency laws. If a certain frequency range is illegal in your area, don't use it. To keep it in good condition, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. Regularly check the connections to make sure they are secure.