WSS | Potter SignaLink™ Bridge Wireless Supervisory System for Fire and Sprinkler DevicesDescription The Potter WSS SignaLink Bridge Wireless Supervisory System is a fully supervised wireless communication bridge for non explosion proof dry contact sprinkler monitoring devices. Operating on the 2. 4 GHz frequency, it eliminates the need for physical wiring between devices and panels. Designed for reliability and versatility, the WSS ensures seamless communication up to 800 feet in both temporary and permanent fire protection systems.