NAV401L Aviation Test Set _x000D_ _x000D_ The NAV-401L is an FCC Type-Accepted bench and ramp test set designed to meet the electronic functional test requirements of Category I and Category II ILS Systems Communication (COMM) Navigation (NAV) and Marker (MKR) Systems._x000D_ _x000D_ Features:_x000D_ _x000D_ Signal generator for MKR, VOR, LOC. G/S, and COMM systems with both XTAL and VAR frequency modes. _x000D_ VOR bearing selectable in 0.1 degree steps, accuracy +/-0.1 degree_x000D_ Built-in 90 degree bearing monitor of VOR output_x000D_ Built-in modulation monitors, 0-30% and 0-100%_x000D_ Simultaneous LOC-G/S output_x000D_ Built-in counter for display of generator frequency, COMM XMTR afrequency, or 0 dBm external frequencies from 1 MHz to at least 300 MHz_x000D_ Built-in battery and charger supply_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.