This Sennheiser ASA 1 active antenna splitter operates in the 500 - 870 MHz frequency range. Note that it doesn't come with a power supply. Before you buy, make sure to check your country's wireless frequency regulations, as certain frequency ranges may be illegal in some regions.

Using the Sennheiser ASA 1 active antenna splitter is easy. First, connect your antenna to the splitter. Since it doesn't have a power supply, you'll need to provide your own suitable power source. Before using it, double - check your country's wireless frequency laws to avoid any legal issues. When it comes to maintenance, keep it in a dry and clean place. Regularly check the connections to ensure they are secure. If you notice any signal issues, check the antenna and the power supply first.