Consists of one or more radio terminals (TRX) for transmission and reception
Each TRX represents an RF Channel(ARFCN)
TRX and MS communicates over Um interface
BTS Hardware : TRX, Combiner, Splitter, OMU etc..
BTS Type: Omnidirectional, Bi-directional(2 Sector) & Sctorised (3 Sector)