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Old April 18th, 2013, 03:32 PM   #6 (permalink)
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AWS = Advanced Wireless Services

AWS-1 or UMTS band IV, is a wireless telecommunications spectrum band used for mobile voice and data services, video, and messaging. AWS-1 is used in the United States, Canada, Mexico and Chile. It replaces some of the spectrum formerly allocated to Multipoint Multichannel Distribution Service (MMDS), sometimes referred to as Wireless Cable, that existed from 2150 to 2162 MHz.

The AWS band uses microwave frequencies in two segments: from 1710 to 1755 MHz for uplink, and from 2110 to 2155 MHz for downlink. The service is intended to be used by mobile devices such as wireless phones for mobile data, video, and messaging services. Most manufacturers of smartphone mobile handsets provide versions of their phones that include radios that can communicate using the AWS spectrum. Since for downlink AWS uses a subset of UMTS frequency band I (2100 MHz) some UMTS2100 capable handsets do detect AWS networks but cannot register on them due to the difference in uplink frequencies (1710–1755 MHz for AWS vs. 1920–1980 MHz for UMTS2100).

Device support for AWS is limited, with many high-demand smartphones not supporting the service. This has limited the development of all-AWS carriers due to a limited selection of handsets.

Advanced Wireless Services - Wikipedia, the free encyclopedia
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