C S L THUYT TRUYN TIN. TP IIMC LC9. KNH V THNG LNG KNH10. M HA KNH11. TN HIU TRN KNH C BNG TN HU HN12. TRUYN TIN QUA KNH TUYN TNH C BNG TN HU HN13. H THNG TRUYN TIN NHIU KNH V NHIU SNG MANG14. H THNG TRUYN TIN DNG TN HIU TRI PH15. TRUYN TIN QUA KNH C FADING NHIU NGTI LIU THAM KHO