Description:125KHz/134.2KHz LF RFID antenna coil tag E-Unit Integrated circuit:Hitag S256,EM4305,Hitag U in COB or HDFN format Read Mode:Read / Write Resonance Frequency:134.2kHz +/-2kHz Size 1:16x9x2mm Size 2:24.5x14x1.2mm Other size:available, customized Antenna Connection:TC bonding Chip Position:Position on the top of the coil antenna Chip Attachment:Glue/Epoxy between coil and COB module Show More