Introducing the LawMate next-generation Cell Phone/GPS Detector. Use this device to detect a GPS tracking device or detect cell phone signal. Perfect for RF engineers and techs, MD-40 offers wireless signal detection in theaters, restaurants, trains, buses, libraries, government facilities, financial institutions and testing centers. The user is able to adjust both the sensitivity and frequency band, and the alert can be set to either a buzzer or vibration alert, and it instantly displays all scanned frequencies.
Note: Detects cell phone/GPS signals when actually transmitting.