Different Wireless Networks

WiFi: Wi-Fi is an abbreviation for Wireless Fidelity and a catch all phrase for the several different standards and recommendations that comprise wireless networking.

Wi-Fi enables the user to deploy a computer network without needing to run cable throughout the facility.

Its more reliable and than the wired networks and many entities can be grouped into the same network at the same time.

It meets all the standards needed for the wireless networks and is amazingly fast.

Bluetooth: Bluetooth is an industrial specification for wireless personal area networks (PANs), also known as IEEE 802.15.1. Bluetooth provides a way to connect and exchange information between devices such as personal digital assistants (PDAs), mobile phones, laptops, PCs, printers, digital cameras and video game consoles via a secure, globally unlicensed short-range radio frequency.

Bluetooth is a radio standard and communications protocol primarily designed for low power consumption, with a short range (power class dependent: 1 meter, 10 meters, 100 meters) based around low-cost transceiver microchips in each device.

Bluetooth lets these devices communicate with each other when they are in range. The devices use a radio communications system, so they do not have to be in line of sight of each other, and can even be in other rooms, so long as the received transmission is powerful enough.

Infrared Data Association: It’s a technique that uses beams of light in the infrared spectrum to transfer the data. It’s the phenomenon on which Remote controls works.
This technique is fairly reliable and low-cost and is based on the “one-to-one” technology that the user can transfer data from only one source to one client.