KRC11872/1 Ericsson RBS 6000 Radio Remote Unit

The Ericsson KRC11872/1 is an RRUS 01 B0 (Remote Radio Unit System), a compact radio head designed for deployment in Ericsson’s distributed base station architecture. This unit handles radio frequency transmission and reception, connecting to a baseband unit via fibre optic CPRI interface to provide wireless network coverage.

The RRUS 01 forms part of Ericsson’s RBS 6000 series base station platform, enabling flexible site configurations where the radio unit can be positioned close to the antenna whilst the baseband processing remains in a more accessible location. This distributed approach reduces feeder losses and improves overall system efficiency.

This is a legacy product from Ericsson’s earlier generation of remote radio units. While superseded by newer RRUS variants, these units remain in service across many established mobile network deployments and are sought after for network maintenance and like-for-like replacements.

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