Images: Cisco's emergency radio system

Disaster relief coordinators can use Cisco's software to allow first responders in the field to communicate with each other over different radio networks. Back at headquarters, administrators can keep track of who is on the network and where they are.

Maggie Reardon/CNET

About Bill Detwiler

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...