I wrote an article for Production Experts about some RME AVB products: RME Digiface AVB, 12mic and AVB Tool. Check it out by following the link below.

https://www.pro-tools-expert.com/production-expert-1/2020/7/14/rme-avb-audio-devices-a-clever-modular-native-solution-for-studio-and-mobile-recording