The SF-95 Satellite Finder is the most useful tool in Satellite TV installation includes DirectTV, DishNetowrk, Bell ExpressVu, FTA and Satellite Internet systems. Designed with SMT technology, its superior sensitivity is capable to indicate signal from 0.2dB to 2300MHz. It is operated by LNB power. A built-in buzzer sounds higher pitch when dish gains higher signal. The SF-95 is complied with EMC directive and CE qualified. Great for DIY satellite TV installation.