The signature line of access control control readers from HID
HID® Signo™ 20 Mullion Reader
HID® Signo™ 40 Wallswitch Reader
HID® Signo™ 20K Mullion Keypad Reader
HID® Signo™ 40K Wallswitch Keypad Reader
HID® Signo™ 40T Wallswitch Mechanical Keypad Reader