Bluetooth uses short-range radio links to transfer data without cables between devices like phones, laptops connect to printers and scanners wirelessly. Ethernet has become a prominent wireless internet technology challenging LAN since its 1980 introduction. 4G LTE provides much faster mobile internet access than 3G through Long Term Evolution standards. Wi-Fi enables wireless internet access between devices using radio waves over a network.

1. M1: COMPUTER
NETWORKS
Carl Todd

2. BLUETOOTH
Bluetooth is a short distance wireless
system often used with phones to
transfer data between them quickly
and simply, it works without the use of
loads of cables and only requires a
short range radio link. Its also often
used now instead of cables for
connecting a laptop or desktop to
printers, scanners, fax machines even
mouse's and keyboards.

3. ETHERNET
Ethernet is a wireless internet
technology which has really come
out of its shell in recent times. Its
now really challenging LAN
technology after being introduced
to the world in 1980.

4. 4G LTE
The new 4g is the new superfast
connection and is the superior to the
old 3g. LTE stands for Long Term
Evolution and its 4g standards
provide mobile ultra broadband
internet access.
Peak download 1 Gbit/s
Peak upload 500 Mbit/s

5. WI-FI
Wi-fi is an internet technology which
allows electronic devices such as
mobile phones, computers and tables
etc to trade data wirelessly over a
network with the use of radio waves.