Consider the following : 1. Bluetooth device 2. Cordless phone 3. Microwave oven 4. Wi-Fi device Which of the above can operate between 2-4 and 2-5 GHz range of radio frequency band ?

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Submitted by examrobotsa on

Q: 13 (IAS/2010)
Consider the following :
1. Bluetooth device
2. Cordless phone
3. Microwave oven
4. Wi-Fi device
Which of the above can operate between 2-4 and 2-5 GHz range of radio frequency band ?
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question_subject: 

Science & Technology

question_exam: 

IAS

stats: 

0,78,157,38,33,86,78

keywords: 

{'ghz range': [0, 0, 1, 0], 'microwave oven': [0, 0, 1, 1], 'radio frequency band': [0, 0, 1, 0], 'bluetooth device': [0, 0, 2, 0], 'fi device': [0, 0, 1, 0], 'cordless phone': [0, 0, 1, 0], 'wi': [0, 0, 1, 2]}