Heavy , expansive.
Low Quality .
Power Level not safe .
5. 1G (Frist Generation)
introduced in the
Limited to Voice
It’s speed up to
• 2G technology refers to the 2nd generation which is based on
• It was launched in Finland in the year 1991.
• 2G network use digital signals.
• It’s data speed was up to 64kbps
• High Capacity.
• Low Power Consumption
• TDMA Transition Technology.
• Digital encryption .
• Enhanced rang of services [data + voices].
Voice and more data
Higher data rate
Quickly Response time
Streaming ,Video call
• More Security
13. What’s CDMA?
CDMA (Code-Division Multiple Access)
CDMA is a form of multiplexing, which allows numerous signals
to occupy a single transmission channel, optimizing the use of
available bandwidth. The technology is used in ultra-high-
frequency (UHF) systems in the 800-MHZ and 1.9-GHz bands.
Researchers started even 1950.
IS-95 The narrow band CDMA mobile network has been
standardized in 1993.
CDMA wideband CDMA system Such as CDMA2000 in US and
Europe and WCDMA developed in 1990 and still ongoing
14. Long Term Evolution (LTE)
4G technology refer to or short name of fourth Generation
which was started from late 2000s.
Capable of providing 100Mbps – 1Gbps speed.
One of the basic term used to describe 4G is :.
Global Mobility Support
Integrated Wireless Solution
Customized Personal Services
Also known as Mobile Broadband Everywhere.
15. Features Include:
Low Cost Per-bit etc.
Battery uses is more
Hard to implement
Need complicated hardware
Expensive equipment required
to implement next generation