The MCR Proximity Readers are specialty readers within the Pyramid Series Proximity® family of readers. Making use of proven digital radio frequency identification (RFID) technology, they support certain Indala® ASP Advantage Series Proximity formats, certain HID® 125-kHz proximity protocol, and Pyramid series 125-kHz proximity protocol. Allowing for both indoor and outdoor operation, the electronics are secured in tamperresistant epoxy potting.