The CSN SELECT TM AY-H6255 is a multi-credential technology contactless smart card (13.56 MHz) reader for use in access control system solutions. The reader has the flexibility to read the Card Serial Number (CSN) from many smart card RFID standards including ISO14443A/B, ISO15693, and ISO18092, perfect for transitioning from one technology to another. UV resistant and with an IP65 rated sleek and modern design, the reader can be used comfortably in any installation environment whether indoors or outdoors.