The physical transmission line types are characterized by their physical dimensions and material properties.
[[Image:Info_icon.png|40px]] Click here to see a '''[[List of Physical Transmission Line Types]]'''.
[[File:tline5.png|thumb|450px| The schematic symbols of the some Physical Transmission Line Discontinuity devices. (Top Row) microstrip components: right-angled bend, mitered bend, tee and cross junctions, (Bottom Row) CPW components: open end, short end, gap and step junction.]]