alphanumeric keypad
/ˌalfənjuːmˈɛɹɪk ˈkiːpad/
n
English · alphanumeric keypad中文 · 字母数字键盘Español · teclado alfanuméricoFrançais · clavier alphanumérique
Bedeutung：Keys corresponding to letters, numbers, symbols and functions that are used to generate characters or control operations.