• 1xEV-DO
    1 times Evolution-Data Optimized (used in ANSI-2000 CDMA).
  • 1xRTT
    1 times Radio Transmission Technology (used in ANSI-2000 CDMA).
  • 2.4 GHz
    A short-range wireless band commonly used in wireless technologies such as Wi-Fi, Bluetooth, and ZigBee.
  • 2G
    The second generation of GSM cellular technology that improved performance by adding to the cellular radio spectrum to help solve coverage issues and drops in signal due to urban obstacles. It was also the turning point in moving from analogue transmission methods to digital, adding digital encryption and paving the way for cellular data usage.
  • 3G
    The third generation of GSM cellular technology, offering substantially improved data transfer rates over its predecessor, 2G. While the original release of 3G used the UMTS method, improvements have been made to increase capacity and data speeds with additional protocols including HSPA.
  • 3GPP
    Third Generation Partnership Project (GSM family of technologies).
  • 3GPP2
    Third Generation Partnership Project 2 (CDMA family of technologies).
  • 4G
    The fourth generation of GSM cellular technology and the latest upgrade to the GSM network, providing greater data transfer speeds. 4G is also referred to as LTE.