UPSC CSE Prelims 2010 Q13 — Science & Technology PYQ

2010Q13·Science & Technology·Computer & Information Technology

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 ?

UPSC CSE Prelims 2010 Q13 — Science & Technology PYQ with Answer

UPSC CSE Prelims 2010 Q13 — Science & Technology PYQ with Answer