Ericsson KRF10101/03 RBS 2000 series (antenna line) Radio Frequency Module

The Ericsson KRF10101/03 is a transmit-path antenna-line filter, printed designation TXD 917-960MHz, from Ericsson’s RBS 2000-series GSM base station antenna line filter range. Filters of this KRF family (which also includes hybrid combiners such as the HCU-8/9) are fitted into the antenna-line subsystem to condition the transmit signal before it reaches the shared antenna feeder, filtering out-of-band emissions across the stated 917-960 MHz range that covers the upper GSM 900 downlink band. This keeps the RF chain within the required spectral mask and protects adjacent-band services from interference. Units of this type are a standard building block of Ericsson’s second-generation RBS 2000 antenna-line architecture and are commonly sourced as spares to keep an existing cabinet fully operational or to restore filtering after a fault. This unit is supplied as genuine, decommissioned Ericsson network equipment from Tech-Star (UK-based, shipped worldwide). Please enquire for current stock availability, condition grading and compatibility confirmation for your specific RBS 2000-series configuration.