Anti Spy RF GPS Signal Detector for GSM Hidden Camera Listening Device Finder Radio Scanner CDMA Alarm Wireless Signal （Black） The product is shipped based on the color or size of the main image of the product page. ● The T8000 is the most advanced portable wireless signal detection device, especially suitable for special processing of CDMA signals. Conventional radio wave detectors cannot detect CDMA signals. You can use the telecommunication cell phone card to make calls and test the sensitivity of the detector.● Is there a wireless error or a position finder installed in the car or office and if a wireless signal is suspected?● Your mobile phone is abnormal (no reason to send signals during standby), detection of wireless network signals, mobile phone signals, wireless monitoring system● Does your working environment, your residential building have radiation on the roof of the building and whether household appliances such as microwave ovens are waiting for losses of electromagnetic radiation harmful to the human body?● Check hotels, restrooms, hotels, places of entertainment, business negotiations, locker rooms or if there are any suspicious wireless signals.