Wimax - wifi - bluetooth

Each device can communicate simultaneously with up to seven other devices within a single Piconet. Advantages of Bluetooth:. Disadvantages of Bluetooth:. The term Wi-Fi is an acronym for Wireless Fidelity. Its coverage area can be a room, a building or a distance of 32 meters in case of indoor and 95 meters in case of outdoor.

Wi-Fi enabled devices such as a personal computer, video game console, smartphone or digital audio player can be connected to the Internet through a wireless network access point.

WiMAX technology provides high-speed broadband services, wireless access to the Internet over a wide area. WiMAX has two main parts. One is the base station of WiMAX which consists of indoor and outdoor towers. The other is a WiMAX receiver with an antenna, which is connected to a computer or laptop.

A WiMAX base station usually offers broadband internet access from 10km to 60km. Knowledge Based Questions:. Go for Answer. Comprehension Based Questions:. Creative Questions:. Mohan, a member of Sabuj Bangla Club, transferred some pictures of the environmental disaster captured on the camera of his mobile phone to his laptop through a special protocol of IEEE Rahim bought a toy for his six-year-old son.

He showed the flight of the aircraft using the remote. Her eldest son, on the other hand, uses the internet via cable with a laptop. Rahim uses wireless internet with the help of router on his smartphone. Rahim and his eldest son in internet usage.

Multiple Choice Questions:. Written by,. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.

At the end of this lesson- 1. Go for Bangla Version Wireless Communication System: Wireless Communication System where transmitting information from one point to other, without using any any physical medium. Advantages of a Wireless Communication System: Mobility is the main advantage of wireless communication system.

It offers the freedom to move around while still connected to network. Bluetooth, WiFi and WiMAX are wireless technologies which allow devices to inter-connect and communicate with each other. Radio waves are electomagnetic waves and have different frequencies. These technologies are radio frequencies. Similar to the analogue radio, or FM radio. Bluetooth works on 2. WiFi works in two frequency bands 2. See chart below for a comparison of these technologies.

Named after the Danish king, Harold Bluetooth,was the first to emerge, several devices like mobile phones, pdas, headsets, keyboards, mice, medical equipment and even cars now come with this feature. Due to its low cost, manufacturers are willing to implement this technology in most devices. It is designed for short range communications with a range of about 10m.

As a result, it consumes less power and are suited for very small battery powered devices and portable devices. Problems associated when devices communicate via infrared or cables are removed. Infrared requires a line of sight, bluetooth only needs to be in reasonable vicinity.