Description: Independent crystal oscillator. Coil pluggable. Simultaneous output of serial port and Wiegand: Both communication modes are compatible and powerful. Mini size, can be installed to any occasion. Light instructions: Under normal conditions, the indicator light on the board is always on, when the detection of the card into the card reader area, the indicator light flashes. Copper Pour. Square coil: suitable for use in building intercom and access control. SMT batch processing, stable quality, beautiful appearance. Specification: Support Card Type: Read-only ID Card EM4100, 4001 Support card frequency: 125Khz Reading distance: 3-10cm Card reading time:
