略語大辞典 [C] 31 AMPS advanced mobile phone service (cellular (北米)新型自動車電話サービス(セル型無線). アナログFM方式の自動車電話.advanced mobile phone service (cellular radio); an analog FM(frequency modulation) cellular telephone system used in North America; uses 30 kHz channels and signaling is done superaudio, i.e. at frequencies above 丸善「略語大辞典」JLogosID : 11865670