guided media

Guided media

The different types of guided media are :1. Microwave2. Radio wave3. SatelliteThe different types of other unguided media are :4. Infrared5. Laser

Micro waveadvantages

cheaper

Freedom from acquisition rights and other governmental

requirements

Ease of communication

Ability to communicate

through oceans

No use of cables

Microwave disadvantages

insecure

Susceptible to weatherEffects like rain

Cost of design high Implementation

tricky

Antenna may split up in different

pathway

Radio wave

Offers mobility

Cheaper

Offers ease of communication

Freedom from land acquisition rights

advantages

Insecure communication

Reduce signal strength

disadvantages

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

Satellite disadvantages

Over crowding of bandwidths

High investments cost

High atmospheric losses

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