 0G
 Push to Talk
 Mobile Telephone System
 Improved Mobile Telephone System
 Advanced Mobile Telephone System • 900 Mhz • In japan
       1G
 Nordic Mobile Telephone (1rst cell phone in jerman)
 Advanced Mobile Phone System (analog mobile phone)
 Analog, Band frekuensi 800 MHz
      2G
 Digital System
 Global System for Mobile communications (GSM: originally from Groupe Spécial Mobile ) • The most standard cell phone • SMS
 Integrated Digital Enhanced Network (iDEN)
 Developed by Motorola
 Uses Time Division Multiple Access
 Digital AMPS
 Code Division Multiple Access (CDMAone)
 Menggunakan frek: 800, 900, 1800, 1900 MHz
     2.5G
 General Packet Radio System
 56 – 114 Kbps, for SMS, MMS, WAP, Internet
     2.75G
 CDMA2000
 Enhanced Data rates for GSM Evolution (EDGE) or Enhanced GPRS (EGPRS)
      3G
 Wideband Code Division Multiple Access (WCDMA)
 Universal Mobile Telecommunication System
 CDMA 2000
 WiMAX (Worldwide Interoperability for Microwave Access)
     3.5G
 HSDPA (High-Speed Downlink Packet Access) • 1.8, 3.6, 7.2 and 14.4 Mbit/s
    4G
 Ultra Mobile Broadband (UMB)