networking terminology , wireless is the term used to describe any
computer network where there is no physical wired connection between
sender and receiver, but rather the network is connected by radio
waves and or microwaves to maintain communications. Wireless
networking utilizes specific equipment such as NICs and Routers in
place of wires.
What exactly is a 'G' or 'Generation'?
In a nutshell, each Generation is defined as a set of telephone
network standards, which detail the technological implementation of a
particular mobile phone system.
G = 1G (GPRS)
E = EDGE (2.5G)
3G =3G
H (High Speed Downlink Packet Access) = 3.5G (HSPA+), HSPA 14.4
(really just a 3G standard, marketed as 4G)
4G=4G
In order of speed: 4G > H > 3G > E
1G TECHNOLOGY 1G refers to the first generation of wireless telephone
technology, mobile telecommunications which was first introduced in
1980s and completed in early 1990s.
2G technology refers to the 2nd generation which is based on GSM. It
was launched in Finland in the year 1991.
2.5G is a technology between the second (2G) and third (3G) generation
of mobile telephony
3G technology refer to third generation which was introduced in year 2000s.
Universal Mobile Telecommunications System: UMTS is a third generation
mobile cellular system for networks.
4G (Anytime Anywhere) technology refer to or short name of fourth
Generation which was started from late 2000s.
5G technology refer to short name of fifth Generation which was
started from late 2010s.
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