Huawei BTS3900 GSM UMTS Hardware Description

BTS3900, indoor macro base station, is the fourth generation base station developed by Huawei.
It features a multi-mode modular design and supports three working modes: GSM mode (GO), GSM+UMTS dual mode (GU), and UMTS mode (UO) through configuration of different hardware and software.
In addition, the BTS3900 supports smooth evolution to the Long Term Evolution (LTE) system