Have a look at this newwest smart Ear Gsm Detector and Protector,With working over 2G/3G Cell network, its Compact platform intergrates aset of intelligent sensors, infrared sensor,phone pick-up sensor and vibration sensor, etc.
it extends your sense and ear distance and dimentsion,any unexpected situation you want to know occurring in the warhouse, office hotel ,home , etc, wil be captured and warned your immediately by the calls and messages, no matter where you are. It is with Triband Frequency network, So it can be used in most of the countres in the world.
In order to Capture what your workers do in the office and If they are using the company telephone for private usage. Come here to get this cool products to do whatever you can
Real time interlligent security guard and protector for Home. wARHOUSE,STORE, ETC when one is office workig, where he still can sense and monitor his home through it. Integrated the telephone detector. when the monitored phone ispicking up, it will automatically Call to any predefined cell phone, like one's Cell Phone, By that one can overhear any conversation over that monitored phone line.