Keyscan HID-C1325-50 Clamshell Prox Card, 36 Bit, 125 kHz Technology, 50-Pack

Proximity provides the highest level of convenience and ease-of-use available in access control technology, and is now the most utilized technology in new access control installations. Proximity cards and key-fobs need only be placed within proximity of their readers to activate the system. The technology is cost-effective, and it is unaffected by dirty environments, weather conditions or strong magnetic fields.