COMMON FORMAT: 10 pcs 26 Bit access control cards formatted with the 26-bit H10301 standard format used on most access control security systems. COMPATIBLE: These isoprox compatible contactless cards work with the same 26 bit weigand readers that both the 1386 ISOProx and 1326 ISOProx key cards work with. Compatible 125khz card readers include: Proxpoint Plus, Thinline II, MiniProx, RP40, RP10, RPK40, RP15, Prox80, ProxPro, EntryProx 4045, Bosch ARD-AYJ12, Viking PRX-2, and many more. APPEARANCE: 85mm X 54mm X 0.8mm white clamshell keyless entry cards SITE CODE: These RFID access control cards come in the site code 239 These isoprox compatible contactless cards work with the same 26 bit weigand readers that both the 1386 ISOProx and 1326 ISOProx key cards work with. Compatible 125khz card readers include: Proxpoint Plus, Thinline II, MiniProx, RP40, RP10, RPK40, RP15, Prox80, ProxPro, EntryProx 4045, Bosch ARD-AYJ12, Viking PRX-2, and many more.