The tracker search device supports 1MHz-12GHz spectrum detection, supports the detection of all wireless communication standards and protocols such as 2G/3G/4G/5G communication signals, 2.4G/5GHz WiFi, Bluetooth, commonly used analog signals, and other communication protocols that currently cover the world. tracker search can detect the wireless environment conditions in the area in real time, especially the detection, warning, and precise location confirmation of suspicious signals such as GPS trackers, eavesdroppers, Bluetooth trackers, WiFi wireless surveillance cameras, etc. It effectively eliminates security risks and is suitable for various scenarios such as industry, , banking and finance, business travel, private residences, and special vehicle inspections.