The Nokia AHDB 474257A is a base station radio frequency remote unit (RRU) device produced by Nokia (NSN for GSM and LTE networks, mainly used in the construction and capacity expansion projects of wireless communication networks.

ARDA 474840A is a 6T6R remote radio unit (RRU) launched by Nokia in its AirScale series supporting multi-mode communication of GSM/UMTS/LTE, mainly used in the construction of 4G wireless base stations, with high integration and outdoor deployment capability

AHEGC 474914A is a high-performance remote radio unit (RRU) used by Nokia for 4G/5 wireless base stations, supporting the 2100MHz frequency band, and is widely used in the infrastructure of mobile communication networks.

The FSEB box is used for extending the Flexi BTS alarm connector to support up to 24 alarm interfaces. 12 alarms are supported for Flexi WCDMA BTS. Support for the fire detector is also provided.

Nokia FHEL 473475A.101 is a base station device component manufactured by Nokia. It is specifically designed for Nokia's telecommunications infrastructure, especially in base station deployment. FHEL 473475A.101 is part of Nokia's base station solution portfolio, which helps improve the overall functionality and performance of its network system.