Radio Base Station (RBS) is the commercial name given to the family of Base Stations developed by Ericsson, typically constituting a sizable part of the Radio Access Network (RAN). Radio Base Station is also the generic name to be used instead of BTS (Base Transceiver Station ) which are typically denoting GSM-era radio base station technology. For other vendors, specific equipment names are used such as Huawei DBS (Huawei DBS3900 for example) or NSN Flexi base stations.