車用通訊技術
行動通訊技術
- GSM (Global System for Mobile Communications) 2G -- 9.6Kbps
- GPRS (General packet radio services) 2.5G -- 35Kbps to 171kbps
- EDGE (Enhanced Data rates for GSM Evolution) 2.75G -- 120Kbps to 384Kbps
- UMTS (Universal Mobile Telecommunications System) 3G -- 384Kbps to 2Mbps
- HSPA (software upgrade to UMTS, theoretical 42Mbps) 3.5G -- 600Kbps to 10Mbps, averages 1-3Mbps
- WiMAX/LTE "4G" (theoretical 100Mbps) -- 3Mbps to 10Mbps average, 20Mbps+ peak download speeds.
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