Recommended keypad for the MemKey. This 4 x 4 Grayhill keypad has conductive rubber contacts with an operational life of 3 million cycles, and a good tactile feel for positive feedback. 4 x 4 Matrix Keypad Cable (#27943) is strongly recommended and sold separately; the MemKey (#27963) also sold separately, but suggested to be used with this module.
Features:
- Tactile Feedback to Operator
- Easily Customized Legends
- Quality, Economical Keyboards
Key Specifications:
- Power requirements: N/A
- Communication: N/A
- Dimensions: 2.7 x 3.0 x 1.09 in (68.58 x 76 x 27.68 mm)
- Operating temp range: -22 to 176 °F (-30 to +80 °C)

Note: Custom Cable (#27943) is required and sold separately. MemKey also sold separately.
Downloads & Resources:
S3 Keypad (.pdf)