Patent ID: 7893812

Claim:
A method of bi-directional communication within a wireless sensor system using authentication codes, comprising: communicating with each of one or more wireless sensor units to and from a base unit via, at least one of, one or more wireless repeater units using communication packets having at least a first building/area code address and a sub-code address; waiting for a programmed delay by each of said one or more wireless repeater units after receiving said communication packets having at least a first building/area code address and a sub-code address; forwarding said communication packets from said one or more wireless sensor units to said base unit by said one or more wireless repeater units; forwarding said communication packets from said base unit to said one or more wireless sensor units by said one or more wireless repeater units to the building/area within said wireless sensor system assigned to said first building/area code address in said communication packets; and receiving said forwarded communication packets in said building/area within said wireless system by each of said one or more wireless sensor units assigned to both said first building/area code address and said sub-code address in said communication packets.