ETSI ETS 300 787-1997 Digital Enhanced Cordless Telecommunications (DECT) Global System for Mobile Communications (GSM) Integrated Services Digital Network (ISDN) DECT Access to GS.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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