BBU ↔ RRU / AAU
Fronthaul interface, software, processing capacity, radio family and licensing may all constrain compatibility.
Compatibility
Compatibility is represented as structured relationships between exact products, families, platforms, bands, regions and system components.
Subrack ↔ boards
Host platform, slot, backplane, power and companion modules are recorded separately.
Radio ↔ market
Frequency compatibility, common market fit, deployment evidence and regulatory approval are distinct statuses.