| GSM is the most popular standard for
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| | 850 MHz network has a bigger and more
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| mobile phone service in the world. In
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| | penetrating reach then the 900, 1800 and
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| more then 200 countries in the world
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| | 1900 MHz network. Apart from that, the
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| people using GSM mobile service. However,
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| | difference between the 850 MHz and the
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| different countries use different GSM
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| | 900 MHz network hardly noticeable. Lower
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| Radio frequency for their mobile
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| | frequency services are good in big
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| networks. Worldwide four frequencies are
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| | building because of their more
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| widely used for GSM mobile services. They
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| | penetrating reach. A disadvantage of a
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| are 850MHz, 900 MHz, 1800MHz and 1900MHz.
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| | low frequency network is its low
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| Although 850, 900 and 1800, 1900
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| | capacity.
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| frequency are very close, normally mobile
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| | 900 MHz networks are quite old networks.
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| phones can't receive more then one
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| | Like 850 MHz, 900MHz also has a bigger
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| frequency at-a-time, a phone that works
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| | and more penetrating reach then the 1800
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| with one band, can not receive signals of
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| | and 1900 MHz network.
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| other bands. So if you want your mobile
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| | 1800 MHz is a relatively high frequency
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| to work with multiple bands, you need to
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| | for cellular phones. Because of this,
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| have multi band mobiles. Based on your
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| | 1800 MHz networks have a smaller and less
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| need, you can go for dual, tri or quad
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| | penetrating reach compare to 900 and 850
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| band mobile set.
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| | MHz networks. By this the reach in big
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| As a whole, both high and low frequency
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| | buildings is low. An advantage of 1800
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| bands have some advantage and
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| | MHz networks is that the capacity is
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| disadvantages. For high frequency
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| | bigger. This band is idle for cities
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| service, the network is less effected by
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| | where density of mobile users high.
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| the influences of the weather. And you
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| | 1900 MHz available only in North America,
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| can have more clear and un-interrupted
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| | some networks in Canada and South Africa.
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| connection. Another advantage of a high
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| | This band is not available in Europe or
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| frequency is that you only need small
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| | Asia. 1900 MHz quite similar to 1800MHz.
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| antenna. Main disadvantage of higher
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| | Because of high frequency 1900 MHz band
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| frequency band is its lower reach. These
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| | network isn't interrupted by the
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| bands are good for cities where density
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| | influences of the weather and you can
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| of mobile users is more. Where as, lower
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| | have a crystal clear connection most of
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| frequency bands are good for rural areas
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| | the times. For this network, GSM provider
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| because of their large area reach.
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| | needs to use more mini antennas. An
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| 850 MHz is the lowest frequency used for
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| | advantage of 1900 MHz networks is that
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| GSM mobile service. As a result of this,
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| | the capacity is bigger.
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