The main change in the ST 111 compared to the previous model ST 110 is built into the main unit of the SHF - antenna detector.
ST111 is designed for detecting and locating of radio transmitting bugging devices, such as:
Radio microphones, Including Burst transmitters, and devices with frequency hopping technology
GPS TRACKER
GSM bugs
Wireless video cameras, stethoscopes
Unauthorized used WLAN and DECT devices
Launched in manufacturing new device: Field detector ST111
6 March 2017