The Aeroflex-IFR 4000 Nav/Comm Test Set, with its lightweight size (under 8 lbs.), long run time battery (8 hrs) and ergonomic design, will provide the user with the most portable navigational communications ramp test set on the market today. Cockpit and bench use testing can be easily interchanged. The menu driven functionality and guided test capability make this instrument extremely easy to use. Combine these benefits with the outstanding price and the user has an instrument that delivers total value. _x000D_ _x000D_ Option:_x000D_ 4000-OPT1 = ELT (121.5/243 MHz beacon and 406 MHz COSPAS/SARSAT beacon test)_x000D_ _x000D_ Contact us today for quality new and used avionics equipment. If you are upgrading to newer technology we can help. We take trade ins and buy decommissioned gear.