Clamshell card Clamshell plastic card containing a rfid module and antenna Mechanical dimensions Dimension (lxw) 57409; 86 mm x 54 mm Thickness 57409; 1.85mm ¦ 0.1mm 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 Storage 57409; -25¦c to +75¦c Operating 57409; -25¦c to +75¦c Material 57409; copper wire antenna and module with abs housing Options 57409; code printing Packaging 57409; delivered in shrink wrapped foil and packed in a box Type number 57409; cs-xx (clamshell card, xx denotes ic) Mechanical dimensions Dimension (lxw) 57409; 86 mm x 54 mm Thickness 57409; 1.85mm ¦ 0.1mm