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Network generation:
1G, 2G, 3G, 4G and 5G are the five generations of mobile networks where G stands for Generation, and the number denotes the generation number. 5G is the latest generation, whereas 1G networks are now obsolete. The cellular technologies GSM, UMTS, LTE and NR enable 2G, 3G, 4G and 5G, respectively.
1G:
Remember the analog phones of that day? Cell phones started with 1G technology in the 1980s. 1G is the first generation of wireless cellular technology. Only supports 1G voice calls.
1G is an analog technology, and phones that use it are prone to poor battery life and voice quality, poor security and dropped calls.
The maximum speed of 1G technology is 2.4 Kbps.
2G:
Cell phone technology received their first major upgrade when it went from 1G to 2G. The leap took place in Finland in 1991 on GSM networks and effectively carried cell phones from analog to digital communication.
2G phone technology introduced call and text encryption, along with data services such as SMS, Image Messages and MMS.
Although 2G replaced 1G and was later replaced by later technological versions, it is still used worldwide.
The maximum speed of 2G with General Pocket Radio Service (GPRS) is 50 Kbps. The maximum theoretical speed with enhanced data rates for GSM Evolution (EDGE) is 384 Kbps. Get up to EDGE + 1.3 Mbps.
3G:
Introduced in 1998, 3G networks have led to faster data transfer speeds, so you can use your cell phone in ways that require data, such as video calling and mobile Internet access. The term "mobile broadband" was first used in 3G cellular technology.
Like 2G, 3G evolved into the fastest 3.5G and 3.75G.
The maximum speed of 3G is estimated at 2 Mbps for stationary devices and 384 Kbps for moving vehicles.
4G:
Fourth generation networking, released in 2008, is 4G. It supports mobile internet access such as 3G and gaming services, HD mobile TV, video conferencing, 3D TV and other features that require high speed.
The maximum speed of the 4G network is 100 Mbps while the device is moving. 1 Gbps speed for low-powered communication when the caller is stationary or walking.
Most current cell phone models support 4G and 3G technologies.
5G:
5G is a wireless technology that is a limited edition intended to upgrade over 4G.
5G promises significantly faster data rates, higher connectivity density, lower latency and energy savings than other upgrades.
The expected theoretical speed of 5G connections is up to 20 Gbps.
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