Here is Question No. 36 a part of our series on UPSC Prelims 2022.
Q36. Consider the following communication technologies:
- Closed-circuit Television
- Radio Frequency Identification
- Wireless Local Area Network
Which of the above are considered communication 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
A short-range radio device, is intended to cover radio transmitters that provide either unidirectional or bidirectional communication. Short-range devices often benefit from a relaxed regulatory regime compared with other radio communications equipment. Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services. The definition ‘Short Range Device’ may be applied to many different types of wireless equipment, including various forms of:
- Access control (including door and gate openers)
- Alarms and movement detectors
- Closed-circuit television (CCTV)
- Cordless audio devices, including wireless microphones
- Industrial control
- Local Area Networks
- Medical implants
- Metering devices
- Remote control
- Radiofrequency identification (RFID)
- Road Transport Telematics.
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