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Consider the following communication technologies

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?

(a)

1 and 2 only

(b)

2 and 3 only

(c)

1 and 3 only

(d)

1, 2 and 3

Answer:

(d)

Application Based

CA

Explanation

Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services, usually because their transmitted power and range is low. All three options are correct examples of SRD.