Wireless Technology

Hey bloggers! this topic about Wireless Technology.  Still relatioin with previous topic Computer Network Lets begin..

Some examples of wireless devices is, smartphones, wireless transmission media such as microwave, satellite and radio. The benefits of wireless devices are as follows:

  • Small size making it easy to carry. 
  • The device has enough computing power to perform productive tasks. 
  • The device can communicate wirelessly with the Internet or with other devices.
Advantage & Disadvantages Wirelees Media


Here are several types of wireless media:

  • Microwave. Microwave transmission systems, sending data via electromagnetic waves. This system is used for data transmission which has a large volume, yag distance away, as well as line-of-sight communication.
  • Satellite. There are three (3) types of satellites: geostationary (GEO), medium earth-orbet (MEO) and Low-earth-orbit (LEO) .
Satelite Basic

  • Radio. This transmission uses radio frequency waves to transmit data directly between the transmitter and receiver. 
  • Infrared. Infrared is used for short-range connections between computers and other devices as well as the LAN.

Wireless Computer Networks and Internet Access

Wireless networks are categorized according to the distance: short-range, medium and wide area.

  1. Short-Range Wireless Networks. In general, short-range wireless network has about 100 feet jangauan or less. For example, Bluetooth, Ultra-Wideband (UWB) and Near-field Communication (NFC)
  2. Medium-Range Wireless Networks. Known as Wireless Fidelity or Wi-Fi included in the Medium-Range Wireless Networks. MiFi, a portable wireless device that provides a permanent Wi-Fi hotspots wherever the user goes.
  3. Wide-Area Wireless Networks. This network connects users from different geographical locations spread to the Internet. There are two (2) categories in this network technology, namely: cellular radio and wireless broadband. Wireless broadband (WiMAX), has a range of up to 31 miles, while WiFi is only 300ft.
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