Durable 4×5 membrane keypad with 20 tactile keys arranged in a matrix format. Ideal for numeric or custom function entry in embedded and control systems.

Specs:

• Layout: 4 Rows × 5 Columns (20 keys)

• Keys: 0–9, A–D, *, #, and 4 user-definable

• Interface: 9-pin flat flexible cable

• Rated for over 1 million key presses