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The PTCRB was established in 1997 as the certification forum by North American cellular operators. Now a pseudo-acronym, it no longer stands for its original meaning of the PCS Type Certification Review Board (then named after the GSM1900 MHz band in North America). The purpose of the PTCRB is to provide the framework within which GERAN , UTRAN , and E-UTRAN device certification can take place for members of the PTCRB. This includes, but is not limited to, determination of the test specifications and methods necessary to support the certification process for GERAN, UTRAN, and E-UTRAN devices. This group will also be responsible to generate input regarding testing of devices to standards development organizations. == Certified device types == PTCRB operates a certification program for devices operating in the following technologies and bands: GERAN: 850, 1900 MHz UTRA: FDD Bands I, II, IV, V E-UTRA: FDD Bands 2, 4, 5, 7, 12, 13,14, 17, 25, 30, TDD band 41 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「PTCRB」の詳細全文を読む スポンサード リンク
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