HID* multiCLASS SE Wall Switch Keypad Reader, SIO & SEOS, Standard Prox (Wiegand Output)The multiCLASS SE RPK40 is part of HID Global's iCLASS SE platform for adaptable, interoperable access control. Designed for multi factor authentication door applications requiring standard wall switch mounting, multiCLASS SE RPK40 supports a broad array of 13. 56 MHz high frequency and 125 kHz low frequency credential technologies and a variety of form factors, including cards, fobs and mobile devices. Configurable to support HID Mobile Access. Key