Paxton Net2 Proximity Key Fobs - Pack of 10 This product is non-returnable so please ensure it is the correct item before ordering. Proximity key fobs for use with Paxton Net2 systems, making access control for your building or facility effortless yet secure. Each fob is encoded with a unique 8-digit numbering system. To issue a token the user\'s details are entered using the PC software. The token number is then entered by presenting the token to the desktop reader. The fobs should then be ready to use, working 2-8 feet away from a Paxton reader. They have no battery, allowing for an infinite number of reads. Whilst small, they can be made more secure by attaching to a lanyard or keyring.