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1g to 4g

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Evolution of mobile network technologies from 1G to 4G.

  1. 1G (First Generation):
    • Time Period: 1980s
    • Key Features: Analog cellular networks.
    • Data Speed: Very low, primarily designed for voice calls.
    • Examples: Advanced Mobile Phone System (AMPS).
  2. 2G (Second Generation):
    • Time Period: Late 1980s to early 1990s
    • Key Features: Introduction of digital networks, allowing for improved voice quality and the ability to send text messages (SMS).
    • Data Speed: Still relatively low for data services.
    • Examples: GSM (Global System for Mobile Communications), CDMA (Code Division Multiple Access).
  3. 3G (Third Generation):
    • Time Period: Late 1990s to mid-2000s
    • Key Features: Higher data speeds, enabling internet access, video calls, and other data-intensive applications.
    • Data Speed: Marked improvement over 2G, suitable for mobile internet.
    • Examples: UMTS (Universal Mobile Telecommunications System), CDMA2000.
  4. 4G (Fourth Generation):
    • Time Period: Mid-2000s to 2010s
    • Key Features: Significant increase in data speeds, supporting high-definition video streaming, online gaming, and other data-heavy applications.
    • Data Speed: Several times faster than 3G.
    • Examples: LTE (Long-Term Evolution), WiMAX (Worldwide Interoperability for Microwave Access).

Each generation represents a leap in technology, offering improvements in data speed, capacity, and efficiency. The transition from 1G to 4G marked a shift from analog to digital, and a significant increase in the capabilities of mobile networks. The development of 5G has since continued this trend with even higher data speeds, lower latency, and enhanced connectivity for various devices.