iwọn: 2.5×2.5cm Power supply: 2.7~5V@30mA Work frequency: 125KHz Support chip: ATA5557, T5567, T5577 tabi chirún ibaramu (ọna kika aiyipada koodu Manchester RF / 32) ni wiwo: tẹlentẹle ibudo (Ọna TTL-232) ka ijinna: <7cm, kọ ijinna: <6cm (T5557, T5567, T5577 Chip R/W Module has read-only and read-write two models, according to the project needs to choose the right module.)