mobile phone connections

GSM/ Global system for mobile telecommunication
1. It is a standard that is used to transfer voice and data to mobile phone networks
  1. It has a maximum speed of 14.4 KBPS
GPRS/ Global packet radio service
1. It allows GSM networks to transfer data much faster from 56 to 11KBS
  1. It uses the existing GSM networks at faster speeds as it transfer in packets
    1. This is a good way to access the internet, but now can be seen a slow data connectopn
Connection types
1. 3G
  1. It has become the most used and best way to access the internet on your phone
    1. It was firstly made to make video calls on the road
      1. Where the 3G coverage is poor is sends out signals constantly and will drain the battery
2. 4G
  1. 4G has speed up to 5-7 times faster than 3G and has a is much faster at downloading and streaming
3. HSPA
  1. HSPA is based on 3G and can support speeds up to 3MBPS and is useful for tv streaming
4. Different counties network
  1. Different countries use different frequencies
    1. Duel band, Tri-band, Quad-Band(Mostly America)

Zusammenfassung der Ressource

	Erstellt von Matthew Owen vor mehr als 8 Jahre