Downloaded on June 1st, 2021 from https://www.radisys.com/OpenRadisys-4G-RAN-Software which clearly stated that this code was licensed under GNU AGPLv3.
The resulting e-mail pointed to http://www.radisys.com/Open_Source_4G_RAN_software_Qualcomm.zip
The directory name contained in the ZIP file encoded the version number 1000604_03_GA_5.0.0