Patent attributes
A transmitting/receiving module includes a first amplifier for amplifying a transmission signal, a second amplifier for amplifying a receiving signal, and a low reflection limiter provided on an input side of said second amplifier. There may be further provided a radiator from which the transmitting signal is to be radiated into an air and to which the receiving signal is to be received, and a circulator having a first terminal, a second terminal and a third terminal, in which the transmitting signal is inputted to the first terminal, the receiving signal is received by the radiator connected to the second terminal, the third terminal is connected to the second amplifier, and the low reflection limiter is provided between the circulator and the second amplifier.
