EM4100 Clamshell Card
　　Read Only Contactless Identification Device
　　Features
　　-64 bit memory array laser programmable
　　-Several options of data rate and coding available
　　-On chip resonance capacitor
　　-On chip supply buffer capacitor
　　-On chip voltage limiter
　　-Full wave rectifier on chip
　　-Large modulation depth due to a low impedance modulation device
　　-Operating frequency 100–150 kHz,(125kHz)
　　-Very small chip size convenient for implantation
　　-Very low power consumption