▁and ▁ 6 ▁( as ▁two ▁ 6   M Hz - wide ▁N T SC ▁TV ▁channels ), ▁with ▁the ▁ 8 8 – 1 0 8 ▁section ▁band ▁as ▁normal ▁FM . ▁The ▁compatibility ▁of ▁" TV ▁sound " ▁with ▁conventional ▁FM ▁radio ▁ended ▁with ▁the ▁U . S . ▁digital ▁TV ▁transition ▁in ▁ 2 0 0 9 , ▁with ▁the ▁exception ▁of ▁the ▁limited ▁number ▁of ▁low - power ▁stations ▁on ▁channel ▁ 6 ▁that ▁still ▁use ▁analog ; ▁these ▁low - power ▁stations ▁will ▁switch ▁to ▁digital ▁in ▁ 2 0 2 1 . ▁ ▁Second - hand ▁autom ob iles ▁imported ▁from ▁Japan ▁contain ▁a ▁radio ▁designed ▁for ▁the ▁Japanese ▁FM ▁band , ▁and ▁im por ters ▁often ▁fit ▁a ▁" con verter " ▁to ▁down - convert ▁the ▁ 8 7 . 5 ▁to ▁ 1 0 7 . 9   M Hz ▁band ▁to ▁the ▁frequencies ▁that ▁the ▁radio ▁can ▁accept . ▁In ▁addition ▁to ▁showing ▁an ▁incorrect ▁frequency , ▁there ▁are ▁two ▁other ▁dis adv antages ▁that ▁can ▁result ▁in ▁und es ired ▁performance ; ▁the ▁converter ▁cannot ▁down - convert ▁in ▁full ▁the ▁regular ▁international ▁FM ▁band ▁( up ▁to ▁ 2 0 . 5   M Hz ▁wide ) ▁to ▁the ▁only ▁ 1 4   M Hz - wide ▁Japanese ▁band ▁( unless ▁the ▁converter ▁incorpor ates ▁two ▁user - switch able ▁down - convert ▁modes ), ▁and ▁the ▁car ' s ▁anten na ▁may ▁perform ▁poor ly ▁on ▁the ▁higher