IoProx proximity P40 key tag, XSF/26-bit Wiegand .
The P10, P20, P30 and P40 and P50 are the same ioProx family and will work on the same readers
The Kantech Readers are predominently used with the Kantech Entrapass System with KT-100, KT-200, KT-300 and KT-400 access control panels. They are also found on other vendors access control systems like Software House, Northern Computers, Keri System, Centaur and Paradox just to name a few. The Kantech ioprox series products has a possibility of multi platform uses.