Huawei BBU BBU3900 GSM WCDMA LTE-FDD Wireless Base Station ​Product Description: Board Type Board Supported by a BBU3900 Board Supported by a BBU3910 Main control board GTMU, GTMUb, or GTMUc WMPT LMPT UMPTa (UMPTa1, UMPTa2, or UMPTa6) UMPTb (UMPTb1 or UMPTb2) GTMUb or GTMUc UMPTb (UMPTb1 or UMPTb2) Baseband processing board UBBPd (UBBPd1 to UBBPd6, UBBPda, or UBBPd9) WBBP (WBBPa, WBBPb1 to WBBPb4, WBBPd1 to WBBPd3, or WBBPf1 to WBBPf4) LBBP (LBBPc, or LBBPd1 to LBBPd4) UBBPd (UBBPd1 to UBBPd6, UBBPda, or UBBPd9) Transmission extension board UTRP (UTRP2 to UTRP4, UTRP6, UTRP9, UTRPa, UTRPb4, or UTRPc) UTRPa or UTRPc Baseband radio interface board UBRI or UBRIb UBRIb Satellite-card board USCUb22, USCUb14, or USCUb11 USCUb14 or USCUb11 Fan module FAN or FANc FANd or FANe Power module UPEUa, UPEUb, UPEUc, or UPEUda UPEUd Environment monitoring unit UEIU UEIU Interconnection board UCIU UCCU UCCU Product Details: If you are interested, please let us know the specific model. We will provide the best service and the best price! Pr