Detail T5577 Koin Bulat RFID 125kHz Proximity Rewritable Coin Copy Clone Tag
Electron EL-T5577-CC -- T5577 chip which compatible with EM4305 chip diameter: 25mm Material: Plastic Operation frequency: 125Khz Detecting distance: 0-5cm Water resistant Can read and rewrite Compatible with 125khz RFID reader to gain access No external power required.