Rfid e-unit E-unit Rfid chip and coil antenna for embedding into your product Eu = bare module coil, eup = with paper backing on both sides, Sgsd = with spacer and paper backing on both sides Mechanical dimensions sgsd eu* Diameter 57409; 15 ~ 30mm ¦ 0.5 mm 57409; 10 ~ 30mm ¦ 0.5 mm Thickness 57409; 0.85 mm ¦ 0.05 mm (125 khz) 57409; 1.2 mm ~ 4mm ¦ 0.3mm (125 khz) 57409; 0.75 mm ¦ 0.05 mm (13.56khz) Chip type 57409; atmel series, em series, hitag series, i-code series, mifare series Electrical Lf operating frequency 57409; 125khz** ¦ 6khz Hf operating frequency 57409; 13.56mhz reader standard (iso/iec 15693, iso/iec 14443) Temperature sgsd eu* Storage 57409; -25¦c to +75¦c 57409; -25¦c to +75¦c Operating 57409; -25¦c to +65¦c 57409; -25¦c to +65¦c Material 57409; copper wire antenna and module Options 57409; code printing for sgsd products Packaging 57409; delivered in tray packing in carton Type number 57409; eu-xx (e-unit, xx denotes ic) 57409; eup-xx (e-unit with paper backing, xx denotes ic Mechanical dimensions sgsd eu* Diameter 57409; 15 ~ 30mm ¦ 0.5 mm 57409; 10 ~ 30mm ¦ 0.5 mm Thickness 57409; 0.85 mm ¦ 0.05 mm (125 khz) 57409; 1.2 mm ~ 4mm ¦ 0.3mm (125 khz) 57409; 0.75 mm ¦ 0.05 mm (13.56khz)