BFB109110/1 Ericsson Ericsson RBS Radio Frequency Module

The Ericsson BFB109110/1 is a FAU 1401 Filter Assembly Unit designed for use in Ericsson radio base station infrastructure. This module provides essential RF filtering functionality, ensuring signal integrity and interference rejection within mobile network transmission systems.

The FAU 1401 is deployed within Ericsson’s RBS (Radio Base Station) portfolio, where it forms part of the RF signal chain. Filter assembly units of this type are critical for maintaining compliance with spectral emission requirements and protecting receiver sensitivity in cellular network environments.

This is a legacy Ericsson component associated with earlier generations of mobile network infrastructure. While superseded by newer platform designs, the FAU 1401 remains relevant for operators maintaining existing RBS installations or requiring spare parts for network continuity.

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