CB Frequencies   Citizens Band Frequencies and Upper and Lower Tolerance Chan Assigned Frequency (MHz) Lower Limit (MHz) Upper Limit (MHz) 1 26.965000 26.963651 26.966348 2 26.975000 26.973651 26.976348 3 26.985000 26.983650 26.986349 4 27.005000 27.003649 27.006350 5 27.015000 27.013649 27.016450 6 27.025000 27.023648 27.026351 7 27.035000 27.033648 27.036351 8 27.055000 27.053647 27.056352 9 27.065000 27.063646 27.066353 10 27.075000 27.073646 27.076353 11 27.085000 27.083645 27.086354 12 27.105000 27.103644 27.106355 13 27.115000 27.113644 27.116356 14 27.125000 27.123643 27.126356 15 27.135000 27.133643 27.136356 16 27.155000 27.153642 27.156357 17 27.165000 27.163641 27.166358 18 27.175000 27.173641 27.176359 19 27.185000 27.183640 27.186359 20 27.205000 27.203639 27.206360 21 27.215000 27.213639 27.216360 22 27.225000 27.223638 27.226361 23 27.255000 27.253637 27.256363 24 27.235000 27.233638 27.236362 25 27.245000 27.243637 27.246362 26 27.265000 27.263636 27.266364 27 27.275000 27.273636 27.276364 28 27.285000 27.283635 27.286365 29 27.295000 27.293635 27.296365 30 27.305000 27.303634 27.306366 31 27.315000 27.313634 27.316366 32 27.325000 27.323633 27.326366 33 27.335000 27.333633 27.336367 34 27.345000 27.343632 27.346368 35 27.355000 27.353632 27.356368 36 27.365000 27.363631 27.366369 37 27.375000 27.373631 27.376369 36 27.385000 27.383630 27.386369 39 27.395000 27.393639 27.396370 40 27.405000 27.403629 27.406370