Tele: 2.5×2.5cm Power supply: 4~5V@30mA Work frequency: 125KHz Support chip: EM4205, EM4305, EM4469 or compatible chip (default format Manchester code RF/64) Fa'afeso'ota'i: uafu serial (TTL-232 format) R/W mamao: <7cm Notice: E mana'omia le Javascript mo lenei anotusi.