Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency…

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network. Which of the above are considered Short-Range devices/technologies?
  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Solution

All three—CCTV, RFID and WLAN (Wi-Fi)—are considered short-range communication technologies operating within limited distances.

Asked in: UPSC Prelims 2022

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