Question: For which types of UTRA-UE (UTRA User Equipment) does the Adjacent Channel Leakage power Ratio (ACLR) requirement apply, according to the specified release context?
Option 1: All types of UTRA-UE that support HSDPA, starting from Release 5 and later releases.
Option 2: Only UTRA-UE with voice call capabilities, across all releases.
Option 3: UTRA-UE supporting solely non-HSDPA data services, from Release 3 onwards.
Option 4: All UTRA-UE devices, regardless of HSDPA support, but only for Release 5.
Explanation: The ACLR requirement applies to all types of UTRA-UE with HSDPA capability, starting from Release 5 and later releases, to ensure these devices meet transmission quality standards minimizing interference on adjacent channels.