Features:

  • Alerts against eavesdropping with 3 LED lights and an audible alarm
  • Generation of white noise if eavesdropping is detected
  • Detects eavesdropping on cell phones that are on LTE 800, GSM 900/1800, WCDMA2100 (3G and UMTS) networks
  • A slim credit card style design
  • Does not block other cell phone signals in the surrounding area
  • Power by (1) CR2430 battery