Created by Hekmattullah kaliwal

2. Find problem and solve with quality
Telecommunication
Created by Hekmattullah kaliwal

3. • Type of transmission.
• Fiber problems.
• wireless problems.
• Internet.
• Simbox.
• Satellite.
• Radio frequency FM.
• Effects of telecommunication in humans.
Objective of presentation

4. • Guided system.
 Fiber.
 Coaxial cable.
 Twisted pair.
• Unguided system.
 Wireless.
 Satellite.
 Radio frequency.
Media Transmission.

5. • Great bandwidth.
• Long distance.
• Security.
• Cost of installation.
• Electromagnetic interface.
• Transmission of fixed data.
 Fiber challenges in Farah.
Fiber optics.

6. Twisted pair and coaxial cable.
 Twisted pair.
 For small network communication.
 Lowest bandwidth.
 Short distance communication.
 Coaxial cable.
 For medium data rate.
 Tv and receivers.

7. Wireless , satellite and Radio…
 Wireless communications.
• GSM.
• CDMA.
• TDF
 Satellite communication.
 Radio frequencies.
 FM
 AM
 PCM

8. Internet
 Types of internet access.
 Dedicated.
 Share.
 Rate of internet in Herat and Farah.

9. Simbox- Grey Traffic-Grey Market
• Every year more then 25 M dollar of Afghanistan become damaged.
• Simbox make errant Afghanistan in international market.
• Security problems for country.

10. Farah province problems.
• Antenna position in GPS.
• Distance between antenna and effects of signals to environment.
• 3G.
• Radio stations.
• CCN.
• DCN.
• VCN.
• Noise.
• Unregister simcarts
• Post office.

11. Question and answer