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 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Solution
All three—CCTV, RFID and WLAN (Wi-Fi)—are considered short-range communication technologies operating within limited distances.