I537-2O7-32.000 MHZ I537-2O7-38.400 MHZ I537-2O7-39.000 MHZ I537-2O7-40.000 MHZ I537-2P3-13.000MHZ I537-2P3-16.3676MHZ I537-2P3-19.2000MHZ I537-2P3-32.0000MHZ I537-2P3-40.0000MHZ I537-5O8-21.500MHZ