Patent ID: 11929554
Assignee: nan
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A method for restoring radio coverage to a location when a built-in inbuilding communications system has become inoperative as claimed in claim 1 comprising the further step of:
transporting a portable antenna kit to said structure having said interface box;
disconnecting said third cable from said built-in donor antenna port of said interface box;
connecting said third cable to a portable donor antenna of said portable antenna kit;
aiming said portable donor antenna of said portable antenna kit at a public safety radio repeater site;
receiving a first signal from said portable donor antenna conducted by said third cable to said downlink port of said portable bi-directional amplifier system;
amplifying said first signal using said portable bi-directional amplifier system;
transmitting said amplified first signal to said built-in indoor antenna port conducted by said fourth cable from said uplink port of said portable bi-directional amplifier system;
receiving a second signal from said built-in indoor antenna port conducted by said fourth cable to said uplink port of said portable bi-directional amplifier system;
amplifying said second signal using said portable bi-directional amplifier, and
transmitting said amplified second signal to said portable donor antenna conducted by said third cable from said downlink port of said portable bi-directional amplifier system.