by Tarun Agarwal 10 years ago What is a WiFi Technology & How Does It Work? Wi-Fi is a popular wireless networking technology. Wi-Fi stands for “wireless fidelity”. Wi-Fi was invented by NCR Corporation/AT&T in the Netherlands in 1991. By using this technology we can exchange information between two or...
by Tarun Agarwal 10 years ago What are Communication Protocols & Their Working In the digital world, communication protocols create many rules. For instance, on the Internet, the formation of these protocols can be done by groups such as the association of WWW (World Wide Web) or W3C & the IETF (Internet Engineering...
by Tarun Agarwal 11 years ago Design of Yagi UDA Antenna What is Yagi Uda Antenna? Before going into the design of an antenna we must know about the performance parameters or characteristics of antenna for communication applications. For good efficacy and directivity for reception on radio spectrum,...
by Tarun Agarwal 11 years ago How SIM Card works? SIM Card: SIM card technology is one of the most popular technologies which is used in Mobile phones to activate the connection and to communicate and for making links with the server system and also used in various electrical and electronic...
by Tarun Agarwal 11 years ago RF Communication – Protocol & Application RF refers to the frequencies that fall within the electromagnetic spectrum associated with radio wave propagation. RF current creates electromagnetic fields when applied to an antenna that propagates the applied signal through space. Electromagnetic...
by Tarun Agarwal 11 years ago What are Microwaves – Basics, Applications & Effects Microwaves are everywhere in current technology, especially in the most popular television industries. We can notice that TV programs are accessible all over the world, so the microwave’s wide wavelength or frequency permits for the...
by Tarun Agarwal 11 years ago What is GPS System & Its Working The navigation system based on satellite like Global Positioning System (GPS) is made up of a 24 satellite network located into orbit through the U.S. DoD (Department of Defense). This system is mainly designed for military applications;...
by Tarun Agarwal 11 years ago What is a GSM Technology : Architecture & Its Applications Digital cellular technology like GSM (Global System for Mobile Communication) is used to transmit mobile data as well as voice services. This concept was implemented at Bell Laboratories using a mobile radio system in 1970. As the name...
by Tarun Agarwal 11 years ago Communication Using Infrared Technology Infrared Communication Infrared band of the electromagnet corresponds to 430THz to 300GHz and a wavelength of 980nm. The propagation of light waves in this band can be used for a communication system (for transmission and reception) of...
by Tarun Agarwal 11 years ago RFID – A Basic Introduction & Simple Application Consider a Couple of Situations: You are in a mall buying a lot of things and now you have to wait in the queue for a long time and when your time comes, the person at the counter checks each item for its barcode, scans it and then the...
