A: No, the ITH-20R model consists of the ITH-20R-I receiver and the ITH-20R-O transmitter, the ITH-20R-I receiver can only receive signals from the ITH-20R-O model. Vice versa, the IBS-P01R model consists of the IBS-P01R-I receiver and the IBS-P01R-O transmitter, the IBS-P01R-I receiver can only receive signals from the IBS-P01R-O transmitter.