Mudellu: YJ30 series Operating frequency: 125KHz Fully support: uem4100 compatible format ID card (64 bits, Manchester code) Read card Type: EM4100, TK4100, EM4001, TK4101, EM4102 or compatible chip Work mode: Read-only Induction distance: 1~10cm Communication speed: 106Kbit/s Serial baud rate: 9600Kbit/s Read Time: <100ms Power: DC 5V(± 5%) Work current: <100ma Interface: RS232/USB Expansion I/O interface: no Status indication: 2-color LED …