Supports ultralight, Mifare mini, Mifare 1k/4k and FM11RF08Auto real-time detecting tag which moves into or out of detective range and reports through one output pins logic levelIt integrates all necessary components and antenna into one PCBExternal micro-controller works with SL025B to read/write Mifare cards by simple serial communication commandFrequency: 13.56MHzInterface: RS232/UART in TTL levelSupply voltages: 4.4 to 12.0 VDCDimension: 86 x 55mm