Portal:Telecommunication/Selected picture
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Portal:Telecommunication/Selected picture/1
Credit: NX1Z
This photograph shows the receivers and transceivers used in an amateur radio station. Amateur radio is a hobby in which enthusiasts purchase or build their own equipment and use radio for their own enjoyment. Radio amateurs are licensed to use frequencies in a large number of narrow bands throughout the radio spectrum.
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Portal:Telecommunication/Selected picture/2
Credit: LadyofHats
This diagram shows both the position of radio waves in the electromagnetic spectrum (logarithmic scale) as well as how radio waves are used for communication.
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Credit: Samsung Galaxy Z
Smartphones (or smart phones) are mobile phones with an advanced mobile operating system.
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Portal:Telecommunication/Selected picture/4
The phablet is a class of mobile devices combining or straddling the size format of smartphones and tablets. The word itself is a portmanteau of the words phone and tablet.
