Reader HID Proximity 125 Khz Model : 6005BOEM Specifications Typical maximum* read range ProxCard II card - up to 3 #34; (7.5 cm) ISOProx II card - up to 2.5 #34; (6.25 cm) DuoProx II card up to 2.5 (6.25 cm) ProxKey II keyfob - up to 1.5 #34; (3.7 cm) ProxCard Plus card - up to 1.0 (2.5 cm) Smart Prox card up to 2.5 (6.25 cm) Depending on local installation conditions. Dimensions 3.135 #34; x 1.720 #34; x 0.660 #34; (7.96 x 4.37 x 1.68 cm) Material: Polycarbonate UL 94 Power Supply 5-16 VDC Linear power supplies are recommended. Maximum Current Requirements Current (DC) Average 30 mA, Peak 75 mA Operating Temperature -22 to 150 F (-30 to 65 C) Operating Humidity 0-95% relative humidity noncondensing Transmit Frequency: 125 kHz Weight: 2.7 oz. (75 gm) *OEM