also: ピーエイチエス · ピー・エッチ・エス · ピーエッチエス
PHS; Personal Handy-phone System
A low-powered mobile network system developed in Japan, once popular in parts of Asia; now largely obsolete.
In Japan, PHS was widely used in the 1990s.
ＰＨＳは携帯電話よりも基地局の範囲が狭い。
PHS has a smaller base station range than mobile phones.