Hello @steve_goh, there can be a number of reasons, so can you give us some more details about your setup please?
In order for Roon’s @support team to better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so they can have a clear understanding of how your devices are communicating.
Are there any specific radio stations that cause problems? Does the issue affect all endpoints?