UHPPOTE Mini 125KHz Wiegand 26 for Door Access Control RFID Card Proximity ID EM Reader Color Black Type: Wiegand 26-Bit Card Type: EM-ID Card (Can't support HID, Indala,Cobra, APCiK ,Paradox,Radio,Honeywell,etc) Frequency: 125Khz Input Voltage: DC 9-15V It is reader,can't work alone, need work with access control board