Portable handheld Security Anti-tracking cell phone Wireless device Signal Detector Car GPS Search Device G638Portable handheld Security Anti-tracking cell phone Wireless device Signal Detector Car GPS Search Device G638
Price: Portable handheld Security Anti-tracking cell phone Wireless device Signal Detector Car GPS Search Device G638 Parameters:Detect Dynamic Range: Greater than 73DBDetection Sensitivity: Lower than 0.03mwAlarm: