A packet data communication system that includes a plurality of communication units and a fixed infrastructure comprising a packet data routing system and a plurality of base sites, emloys a method and apparatus for paging a communication unit. The bag has a zipper or other sealable means, and a series of pick-up or attachment loops or handles may also be attached to the outer bag material. That is, for each e-fuse device, each of the multiple fuse structures and a corresponding programming devices associated with each fuse structure is dimensioned to achieve the coding redundancy such that one fuse structure of the multiple fuse structures provides for a current flow of sufficient current density to ensure programming reliability of the e-fuse device.