cy-LREM EM long range card Pre-Printed With Sequential Serial Number product specifications Product Features long range detection up to 100cm compatible with cy-em100 reader clamshell encapsulation no battery required specifications Frequency Band Operating Frequency Operating Temperature Chip Supported Reader Read distance Transmission Mode Data Retention Shell Material Color Finish Card Size Dimensions Weight low frequency (LF) 125 KHz -10°C ~ 70°C EM4100 EM long-range Reader (CY-EM100) 0.5 ~ 1 M Passive (battery-free) > 10 yrs ABS (PVC surface layer) White Matte CR80 85.6 x 54 x 1.8 MM 10 G