north american/cept channels frequencies
channel 01 : 26.965 mhz channel 11 : 27.085 mhz channel 21 : 27.215 mhz channel 31 : 27.315 mhz
channel 02 : 26.975 mhz channel 12 : 27.105 mhz channel 22 : 27.225 mhz channel 32 : 27.325 mhz
channel 03 : 26.985 mhz channel 13 : 27.115 mhz channel 23 : 27.255 mhz channel 33 : 27.335 mhz
channel 04 : 27.005 mhz channel 14 : 27.125 mhz channel 24 : 27.235 mhz channel 34 : 27.345 mhz
channel 05 : 27.015 mhz channel 15 : 27.135 mhz channel 25 : 27.245 mhz channel 35 : 27.355 mhz
channel 06 : 27.025 mhz channel 16 : 27.155 mhz channel 26 : 27.265 mhz channel 36 : 27.365 mhz
channel 07 : 27.035 mhz channel 17 : 27.165 mhz channel 27 : 27.275 mhz channel 37 : 27.375 mhz
channel 08 : 27.055 mhz channel 18 : 27.175 mhz channel 28 : 27.285 mhz channel 38 : 27.385 mhz
channel 09 : 27.065 mhz channel 19 : 27.185 mhz channel 29 : 27.295 mhz channel 39 : 27.395 mhz
channel 10 : 27.075 mhz channel 20 : 27.205 mhz channel 30 : 27.305 mhz channel 40 : 27.405 mhz