Hid - Usa 40KTKS030005BD Signo Contactless Smartcard Keypad Reader 40K, Terminal, Black/Silver, Multi-technology, Mobile Ready, Wall Switch Mount. The HID Signo Keypad Reader 40K is a founding member of the Signo platform. Offering a truly dynamic approach to secure electronic access control, HID Signo Readers are designed to be highly versatile, powerful, and connected for the future. A perfect fit for multi-factor authentication door applications requiring a narrow keypad reader, the HID Signo Keypad Reader 40K supports an unparalleled range of different credential technologies in a variety of form factors including cards, fobs and mobile devices. Moreover, HID Signo Readers are simple to order and install, making the upgrade process easy for everyone.