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| Worldwide
Networks & Global Roaming Japan
has deployed PDC as a second-generation system, while in Korea IS-95 is used for
both cellular and PCS system. China, Russia and South Africa currently have networks
operating using GSM 900 and 1800 systems. The networks in United Kingdom, United
Arab Emirates and Honk Kong have some ETACS 900 systems but mainly use GSM 900
and 1800 systems. USA has many networks utilising GSM 1900 and CDMA 800 & 1900
systems. The network system such as GSM is most commonly used throughout the world
however there are some older systems in use that are not mentioned here. Triple
band GSM mobiles capable of handling 900, 1800 and 1900 systems will allow connections
to a large proportion of the world networks.....read
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| UK
Spectrum Allocation The frequency
spectrum is split into different global regions, which are then divided by countries
and then sub divided within the country. There is only a limited range of frequencies
available and these are allocated by the UK Radio Authority (RA)....read
more | Network
Technology GSM and UMTS network
architecture diagrams are used to illustrate the features and capabilities of
these technologies. Description of the system components and their interactions
with each other provide an insight into the world of mobile network technology…read
more |
| Health
& Safety Mobile phone and base station
health and safety issues, what are the implications, how can you ensure safe mobile
usage, what precautions should you be taking...read
more | Handset
Technology GSM Mobile Station (MS)
comprises of a Mobile Equipment (ME) and a Subscribers Identity Module (SIM)....read
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