Kena Levu: 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) Veisoqaqa: serial port (TTL-232 format) R/W na yawa ni vanua: <7cm Notice: E gadrevi na JavaScript me baleta na lewena oqo.