characteristic: 1. Digitally controlled high-sensitivity professional wireless detection devices, respectively used to detect 300-2700MHz. 2. Simple to use, there are two alarm modes: sound vibration and LED indicator light, which are accurate and reliable. 3. The machine can detect 2G, 3G, 4G and wireless devices, 1.2G/2.4G & 5.8G wireless cameras, and can accurately locate GPS. 4. It can detect whether private addresses such as rooms, bedrooms, conference rooms, fitting rooms, hotel car entertainment venues are installed with eavesdropping devices or mini cameras that are secretly photographed, and mobile phone card eavesdropping Micro-cameras with memory cards, mobile phone undercover software, GPS car trackers. Small body, easy to carry. In a complex environment, it can effectively filter the clutter of the signal, accurately capture the stable signal source for analysis, and adjust the sensitivity by pressing the button to determine the direction and distance of the signal source. Product Details: Frequency range: 300MHz-2700MHz Detection dynamic range: Greater than 73db Indication method: 10-level LED light-emitting indication pitch change indicator Power supply: built-in 3.7V 1000mah lithium battery Working current: 60mA Continuous work: 8-12 hours Detection sensitivity: Less than 0.03mw Detection range: 5.8G: 15 square meters (standard 10MW) 2.4G: 10 square meters (standard 10MW) 1.2G: 10 square meters (standard 10MW) Mobile signal 2G/3G/4G: 15 square meters Colour: Black material: plastic Package Contents: 1 x RF Detector