Radio Frequency Systems (RFS) recently demonstrated a remote radio head (RRH) unit that is believed to exhibit the fastest bit-rate of any 'fibre-to-the-tower-top' solution to date. By leveraging the bandwidth and flexibility of fibre-optic technologies, the RFS RRH system permits base transmitter station (BTS) to antenna separation distances of up to 15 kilometres. This allows the BTS to be located in more easily acquired sites, remote from the mast and radio head/antenna assembly. In addition, the RFS RRH fibre-optic link offers ongoing opex savings, courtesy of the almost loss-free 'BTS-to-tower top' fibre link. The unit's '3-Gbps plus' total throughput capacity ensures that the RFS RRH  is well-placed to support powerful RRH networking topologies, such as  'daisy chain', 'ring' and 'tree-and-branch'. The RFS RRH is fully compatible with the OBSAI RP3-01 interface definition. The RRH was developed in cooperation with Altera, PMC-Sierra and Agilent Technologies.
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