Technical specifications Power supply from the control panel bus, 12 V DC (8–15 V) Rated current 12 mA Maximum current 60 mA Type of control device B Operating RFID frequency 13,56 MHz Max. mag. RFID field strength 10,37 dBuA/m (3 m) Compatible RFID cards NFC, Mifare® Classic, Mifare® DESFire® 4, 7 Byte UID Dimensions 46 x 151,5 x 25 mm Weight 193 g Connection cable length 3,0 m Operating temperature range -25 °C to +60 °C Relative humidity 75% without condensation Environment according to EN 50131-1 IV. outdoor general Classification grade 2 according to EN 50131-1, EN 50131-3 Also complies with ETSI EN 300330, EN 50130-4, EN-55032, EN 62368-1, EN IEC 63000 Recommended screw 3 x ø 3.5 x 40 mm (half-round head)