www.securitymagazine.com/articles/77720-keyless-entry-secured-access-control-1
Keyless Entry Secured Access Control
January 20, 2003
From Essex Electronics, the KE-325 is a secured, stand alone, multiple user access control system designed for residential and commercial applications. The system features proprietary piezoelectric weatherproof, vandal-resistant keypad with Billion Cycle Switch Technology. Other features: 100 user codes, two SPDT relays with programmable output times, a restricted access input, remote bypass, anti-tailgating, tamper alarm and latching.