Engadget had a basic article from a few years ago. I'm not sure how the alarm works as even the distance from the floor to your suitcase might be too far for RF

Engadget had a basic article from a few years ago. I'm not sure how the alarm works as even the distance from the floor to your suitcase might be too far for RFID: http://www.engadget.com/2011/04/20/that-hotel-towel-youre-stealing-might-have-an-rfid-chip-in-it/ http://www.engadget.com/2011/04/20/that-hotel-towel-youre-st...