... encoding, laser, etc RFID card is different chip inside, for example UHF, proximity EM4102, T5567, Mifare 1K, I CODE SLI, etc ... R/WChips: EM4102, T5567, Mifare 1K, Mifare 4K, Mifare Utralight, Mifare Desfire, LEGIC256, I-Code Sli, TI2048,Frequency: 125KHz, 13.56MHz, UHFFunctions: Water proof, flexible ... series:MF1+ID,MF1+T5557WT1.5kg/boxFrequency: 125KHz . 13.56MHzsize length:85.6±0.013mmwide: 53.98±0 ...