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2G (Second Generation)

2G refers to the second generation of cellular connectivity. It replaced 1G technology, which operated on an analog signal, and was the first major upgrade to cellular technology. With this new generation of technology, the network began to operate using a digital signal with upgraded standards, including GSM, D-AMPS, and IS-95 A. Maximum data transmission speeds for 2G (developed in the early 1990s) was a mere 1 Mbps.

What Small and Midsize Businesses Need to Know About 2G (Second Generation)

Despite the fact that 2G cellular technology was introduced in the 1990s, it is still relied on in areas including Africa, Central America, and South America. Because it is still utilized in these regions, most modern-day cell phones still support the 2G network.

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