Hybrid base transceiver station

A hybrid base station apparatus according to the present invention will analyze the ATM matching unit and the received signal from the wireless terminal when the signal processing of the wireless terminal and the layer 2 or layer 3, which provides an ATM protocol used to connect the ATM-based first mobile communication network IP protocol for to by the wireless terminal determines the network to be connected to connected to the ATM-based first connected to first mobile communication network, or a routing processing unit for connection to the second mobile communication network in the IP-based, IP-based second mobile communication network and the IP matching unit that provides, includes a channel and RF processor for performing physical connection protocol process and the wireless terminal and the RF transmitting and receiving process.