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GSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. ==Bands== There are fourteen bands defined in 3GPP TS 45.005, which succeeded 3GPP TS 05.05:〔3GPP TS 05.05 version 8.20.0 Release 1999 Pages 9 and 10〕 * bands 2 and 5 (shaded in blue) have been deployed in NAR and CALA (North American Region * bands 3 and 8 (shaded in yellow) have been deployed in EMEA and APAC (Europe, the Middle East and Africa, Asia-Pacific) * all other bands have not seen any commercial deployments *P-GSM, Standard or Primary GSM-900 Band *E-GSM, Extended GSM-900 Band (includes Standard GSM-900 band) *R-GSM, Railways GSM-900 Band (includes Standard and Extended GSM-900 band) *T-GSM, Trunking-GSM 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「GSM frequency bands」の詳細全文を読む スポンサード リンク
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