HID’s Physical Access Control Solutions provide the most extensive line of powerful, versatile access control readers and credentials in the industry.Consisting of leading brands iCLASSSeos, iCLASS SE, iCLASSSmartID, HID Prox and IndalaProx, HID’s access control readers and credentials feature low-frequency (125 kHz), high-frequency (13.56 MHz) and multi-technology solutions.