... scope adjustable 3.Small volume, easy taking. RF Signal Detectors TG-007AFrequency range: 20-6000MHzThe detecting range: up to ... the most advanced portable wireless detecting device . Alarming with sound and optic, operating simply, taking conveniently (cells size).The ... scope adjustable A large range of detecting frequency Alarming with sound or optic, simple operation, convenient using, accurate and ...