Satellite Multiswitch MS58SY * Built in 22kHz tone generator for LNBs;I/O short circuit protection function. Satellite Multiswitch MS58SY* Built in 22kHz tone generator for LNBs;I/O short circuit protection function.* Good weather-proof mechanical design;* Available application for indoor and outdoor usage.* Welcome customer's requirements or samples Multi-Subscribe Satellite Multiswitch MS58SY