The folks at GAI-Tronics tell Security Magazine that their existing stanchions can be updated to include campus public address and mass notification for campus, parking facility and recreation area.
The Model 234SBM Stanchion Broadcast Module helps to insure public safety at fraction of the cost of a new stanchion installation. It can be configured for 1, 2, 3, or 4 speakers; also reducing costs when broadcasting in four different directions are not necessary.