Mid Continent MD222-406 has a compact 2 inch size to save panel space while being a precision replacement for older navigation indicators. It is ideal for applications where space is limited or as a backup for glass panel displays. Rectilinear meter movements allow for more accurate readings, while the LED backlighting provides increased reliability and a longer life. The MD222-406 has built-in NAC, GPS and VLOC annunciators. Built with a rugged construction that includes ball bearings in critical areas along with quality mil-spec connectors included. FAA TSO certified for use with most GPS and VOR systems. This unit has true course resolver output (1 volt, 30 HZ) and is designed and built in Wichita, Kansas, USA.