Feature 1 Suitable for detecting radio waves of 100khz1Ghz, and the sensitivity is very high and adjustable. 2 This RF signal level meter can detect weak signals of mw level and detect suspicious electric wave signals. 3 BuiltIn automatic damping function, that is, the buffer function, can prevent the needle from swinging too fast and causing damage. 4 Uses sophisticated production technology, has excellent performance, and can be used for radio antenna radiation. 5 Made of highquality materials, this RF signal level meter is sturdy, durable, not easily damaged, and has a long service life.Item Type: RF Signal Level MeterMaterial: ABSUse: for Radio Antenna RadiationTest Sensitivity: 0.1W Transmitter Range: 0.1-1 Meters2W/5W Transmitter Range: 1-3 Meters10W Transmitter Range: 2-5 Meters50W Transmitter Range: 3-10 Meters Package List1 x RF Signal Level Meter1 x Antenna