Direct Air Capture Technology
Question
Consider the following communication technologies: Which of the above are considered Short-Range devices/technologies?
- 1.
Closed-circuit Television
- 2.
Radio Frequency Identification
- 3.
Wireless Local Area Network
Options
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Explanation
All three are considered Short-Range Devices (SRDs).
SRDs are radio transmitters that offer low risk of interference with other radio services, operating over short distances. RFID operates over a few meters, WLAN (Wi-Fi) covers localized areas like buildings, and CCTV (when wireless) utilizes localized, short-range broadcast spectrums.
Answer: (d).
Question details
Year
2025
Paper
GS Paper 1
Question
Q36
Subject
Environment
Sub-topic
Climate Tech & Renewable Energy
Type
Statement-based
Difficulty
Medium
Nature
Current-affairs-linked
Source hint
National Frequency Allocation Plan / Short-Range Devices Regulation
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