Cellular service Circuit-switched 口GSM CDMA IP-Based packet service ▣GPRS ▣CDMA2000 HSPA,High Speed Packet Access EV-DO,Evolution-Data Only WiMAX,Worldwide Interoperability for Microwave Access LTE,Long-Term Evolution ▣5G Cellular service ◼ Circuit-switched  GSM  CDMA ◼ IP-Based packet service  GPRS  CDMA2000  HSPA, High Speed Packet Access  EV-DO, Evolution-Data Only  WiMAX, Worldwide Interoperability for Microwave Access  LTE, Long-Term Evolution  5G