It is a tribander ht which covers 6m, 2m, and 70cm.
Has a wide band receiver which covers a.m. broadcast through 900 mhz.

TV chanels are already programmed and selectable.  Has cw freq readout,
which also works for the tv and wx chanels.

Very easy to use as well.

For a quick overview go to
http://www.icanworkthisthing.com

Get the t90 quick guide, and manual.