Download - Guided media
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Guided media
The different types of guided media are :1. Microwave2. Radio wave3. SatelliteThe different types of other unguided media are :4. Infrared5. Laser
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Micro waveadvantages
cheaper
Freedom from acquisition rights and other governmental
requirements
Ease of communication
Ability to communicate
through oceans
No use of cables
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Microwave disadvantages
insecure
Susceptible to weatherEffects like rain
Cost of design high Implementation
tricky
Antenna may split up in different
pathway
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Radio wave
Offers mobility
Cheaper
Offers ease of communication
Freedom from land acquisition rights
advantages
Insecure communication
Reduce signal strength
disadvantages
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Satellitesadvantages
Area coverage is large
Maintenance easy
Can cover large areas of the earth
Useful in sparsely populated areas c loses
Disadvantages
High atmospheric loses
High investment
costs
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Satellite disadvantages
Over crowding of bandwidths
High investments cost
High atmospheric losses
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other unguided media
Infrared It uses infrared lights Used in everyday life like remotes , automotivegarage doors and wireless speakerCommon in pda’sLaserIt is a line of sight transmission Point to point transmissionIt can be adversely affected by weather