Wireless half-cylinder for proximity smart cards. For replacement of mechanical cylinder. Version V2: Compatible with 13.56 MHz technologies (MIFARE™ types). Indoor use. RFID reader to enter only. RFID options: R (Values: "8" = OFF MIFARE™ V2, "9" = OFF DESFire™ V2, "A" = OSS MIFARE™ V2, "B" = OSS DESFire™ V2). Standard 30 mm metric, in 5mm increments. Options of external cylinder metric: A (Values: "0" = 30mm, etc ... up to 120mm, with cost increase, see options). Profile options: P (Values: "0" = EURO, "2" = SCAN, "3" = SWISS). Through-bolt length options: Y (Values: "-" = No Screw, "0" = 85mm, "1" = 60mm, "2" = 70mm, "3" = M85).