iDAQS is engaged in joint research and product development of local 5G base stations that can be flexibly customized by users, utilizing open source software (OSS). In this development, iDAQS was in charge of hardware development and realized an RU equipped with Analog Devices’ AD9986 MxFE. Liberal Logic Corporation was in charge of the basic research and architecture design necessary for the development of RU control software to be integrated into the Open Air Interface (OAI), as well as the implementation.