RADIO COMMUNICATION EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide radio communication equipment capable of preventing the deterioration of receiving characteristic due to an interference signal as the radio communication equipment for performing communication by using a reception frequency and a transmission frequency simultaneously. SOLUTION: An interference signal cut-off circuit for cutting off the interference signal of a frequency nearly equal to the absolute value of the sum or difference of the reception frequency and the transmission frequency is provided between the input terminal of a reception part 5 and an antenna 1.