cell phone generator with a extremely long generator range of up to 15 meters,if you are sick of all those phone going off ,this is the anti-spy get you have been looking for.
this generator system comes with a built in rechargeble li-lion battery
Item specification:
generating Signals from mobile phone only. Does not affect the normal operation of other electronic devices 
Mobile Phone Signal generator: CDMA:850-894MHz, GSM:930-960MHz, DCS:1805-1850MHz, PHS:1900-1980MHz, 
Range: 3~5 meters - 
Build-in 2500mAh lithium battery