He had only seen the numpad on Wikipedia and in the manual. So when he found some authentic stackpole numpads on a surplus sale, he grabbed them and converted them to be ADM-3A compatible.

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Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you ...

Some games will even have built-in customization tools for this, letting you set any number on the keypad to a certain action or task, streamlining your control scheme and ergonomics in game.