ARC RT 428A Nav/Com

Price: $1,638
Size: 6.25"W x 1.60"H x 11.0"D
Weight: 3.2 lbs

It provides 12 watts of power and a continous self test with a glowing green light to tell you that you are transmitting.
The RT-4285A provides 200 channel NAV, 200 channel DME switching, and 40 channel G.S.
The RT-485A is available in black or tan