ALL EQUIPMENT ON THIS PAGE HAS BEEN TESTED, IS IN GOOD OPERATING CONDITION, AND IS GUARANTEED FOR A MINIMUM OF 30 DAYS. NO ACCESSORIES OR MANUALS INCLUDED UNLESS NOTED. PICTURED ITEMS MAY BE SEEN IN MORE DETAIL AND ORDERED DIRECTLY BY CLICKING ON THE PICTURE. HP 3780A GENERATOR/ERROR DETECTOR $175.00 HP 3782B ERROR DETECTOR $125.00 HP 4943A TRANSMISSION IMPAIRMENT MEASUREMENT SET $295.00 HP 3770B Telephone Line Analyzer $295.00 HP MODEL 4944A TRANSMISSION IMPAIRMENT TEST SET $325.00 TRIPLETT MOD-3 TYPE 5 $295.00