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Consider following communication the technologies:
1. Closed-circuit Television
2. Radio Frequency Identification
3. Wireless Local Area Network
Which of the above are considered ShortRange devices/technologies?
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services, usually because their transmitted power, and hence their range, is low. 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
Radio frequency identification (RFID)
Hence option (d) is the correct answer.
By: Parvesh Mehta ProfileResourcesReport error
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