The present invention relates to a terminal apparatus and a test method. In the present invention, and determine the presence or absence of a base station for transmitting and receiving data with the terminal, if the check made in accordance with the off-line mode, the base station does not exist, instead of the base station to generate a verification signal to test the status of the terminal modem. Then, by converting the generated verification signal to a predetermined form to provide to the device. Then, the terminal demodulates the received signal and then provides, confirms the modem of the terminal is normal based on the demodulated signal verification. Through this, the device allows the parties to facilitate the debugging (Debugging). On the other hand, if the on-line mode in which the base station according to the presence confirmation information, the terminal collects a variety of information that can determine whether a normal from a modem within the at least one functional unit. Then, the terminal presents the collected information to the parties. This is to be achieved soon, shortened terminal development time and cost savings. Terminal, a modem, a base station, verification, on / off line, combine, development time, cost