The positioning of 50MHz-8GHZ wireless devices can be detected;Mobile phone positioning during a call; Mobile phone positioning in the flashing traffic;Can find GSM card bug , sneak shots, and trackers; Can search for WiFi ;Can detect sleep tracker Support Mobile APP real time monitoring.Simple operation, compact and portable, flexible use occasions; 50MHz-8GHZ wireless spectrum detection, covering all wireless communication frequency bands currently used internationally and domestically; It can work continuously and uninterruptedly, connected to the mobile phone software through a data line, and can record the signal and signal strength at all time points within 24 hours;