RAKSA iDet Selective RF Detector can be used to detect and locate in near field a wide variety of radio transmitters used for secret access to information. 

RAKSA iDet detects:

Cellular phones of GSM 850/ 900E/ 1800/ 1900, UMTS 850/ 900/ 1800/ 1900/ 2100, CDMA 450 (A-H)/ 800/ 1900 standards     

Cordless DECT phones 
Bluetooth and Wi-Fi devices 
Wireless video cameras 
Radio transmitters with analog modulation (AM, FM, PM) 
Radio transmitters with digital modulation and continuous carrier (FSK, PSK, etc.) 
Radio transmitters with wideband modulation up to 10 MHz bandwidth