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ETSI TS 137 144
M00002757
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ETSI TS 137 144 Universal Mobile Telecommunications System (UMTS); LTE; User Equipment (UE) and Mobile Station (MS) GSM, UTRA and E-UTRA over the air performance requirements (3GPP TS 37.144 version 14.2.0 Release 14)
standard by European Telecommunications Standards Institute, 06/01/2017
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ETSI TS 137 144 establishes over the air antenna minimum requirements for user equipment (UE) and mobilestation (MS).Handheld UE requirements are defined for roaming bands for the speech position (beside the head and beside the headand hand) and hand phantom browsing mode position. Laptop mounted equipment requirements are defined forroaming bands for the data transfer position (laptop ground plane phantom). Laptop embedded equipment requirementsare defined for roaming bands for the data transfer position (free space).
All bands are potential roaming bands, and the requirements for roaming bands shall therefore be fulfilled for all bandssupported by a UE/MS.
Requirements for operating bands are dependent on how the network has been built and are thus operator specific andcannot be specified here. Recommended performance values for operating bands (Annex B) are however included inthis specification for information. It should be recognised that the ability to meet the recommended performance valuesdepends on the number of frequency bands supported by the UE/MS.