E-Plex wireless outside antenna kit with 4C batteries for use with E5600/E5700 Series locks. Converts E-Plex 5600 or 5700 hardware to operate with ZigBee wireless system integrating with Keyscan Aurora software. Includes antenna with back-plate and connecting cable; RF antenna is located on the back side of the E-Plex Lock, on the secure side of the door. Enables optimum RF signal when a Gateway or Router is located on the opposite side of secure opening.