무선 통신 방법 은 GSM ( Global System for Mobile communication ) , CDMA ( Code Division Multi Access ) , CDMA 2000 ( Code Division Multi Access 2000 ) , EV - DO ( Enhanced Voice - Data Optimized or Enhanced Voice - Data Only ) , WCDMA ( Wideband CDMA ) , HSDPA ( High Speed Downlink Packet Access ) , HSUPA ( High Speed Uplink Packet Access ) , LTE ( Long Term Evolution ) , LTE - A ( Long Term Evolution - Advanced ) 등 이 사용 될 수 있 다 .