The SARGENT SN Series brings a new level of flexibility to our Integrated Wired access control solutions. Featuring Signo Reader Technology from HID Global, the SN Series is ideal for mixed credential environments and enables easy migration to higher security credentials and mobile access. Now featuring Open Supervised Device Protocol (OSDP) communication, the SN Series offers continuously monitored end-to-end wiring, protecting against tampering and "man in the middle" attacks.