Standard Radio System Plan (SRSP), SRSP-513 issue 4, replaces SRSP-513, Technical Requirements for Advanced Wireless Services (AWS) in the Bands 1710–1780 MHz and 2110–2180 MHz, issue 3. Issue 4 of SRSP-513 incorporates technical rules for active antenna systems (AAS).
Comments are due by April 22, 2022.