Wireless transmission of signals can be done via ___________(a) radio waves(b) microwaves(c) infrared(d) all of the mentionedI have been asked this question in examination.I would like to ask this question from Physical Layer in chapter OSI Model of Computer Network

Wireless transmission of signals can be done via ___________(a) radio

1.	Wireless transmission of signals can be done via ___________(a) radio waves(b) microwaves(c) infrared(d) all of the mentionedI have been asked this question in examination.I would like to ask this question from Physical Layer in chapter OSI Model of Computer Network
Answer» Right answer is (d) all of the mentioned To ELABORATE: Wireless transmission is carried out by radio waves, MICROWAVES and IR waves. These waves RANGE from 3 Khz to above 300 GHZ and are more suitable for wireless transmission. Radio waves can penetrate through walls and are used in radio communications, microwaves and infrared (IR) waves cannot penetrate through walls and are used for satellite communications and device communications respectively.

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Wireless transmission of signals can be done via ___________(a) radio waves(b) microwaves(c) infrared(d) all of the mentionedI have been asked this question in examination.I would like to ask this question from Physical Layer in chapter OSI Model of Computer Network

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