1、HIGH PERFORMANCE: Digital control wireless signal detector, with high sensitivity and quick response, the signal frequency measurement range is 300‑2700MHz 2、ALARM MODES: There are 2 alarm modes, sound vibration and 6 level LED indication light, which has simple operation, high accuracy and good reliability 3、DETECTABLE SIGNAL: The tool can detect mobile phone 2G, 3G, 4G signals and wireless devices, and can accurately locate GPS, which has less interference 4、LESS INTERFERENCE: Filter signal interference, accurately catch and analyze the signal source, and can adjust to determine the signal direction and distance 5、APPLICABLE SCENES: The wireless signal detector is compact and portable, ideal for bedroom, conference room, mobile phone recording software and car use Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store