The main difference between the ART-2000 and the ART-2100 is that the ART-2100 has 50% more transmit power than the ART-2000. The range on the ART-2000 is 240 nautical miles while the ART-2100 has a range of 320 nautical miles. The ART-2100 also has a 120 degree scan instead of the 90 degree scan as with the ART-2000. The ART-2100 also has additional features such as autorange which alerts the pilot when radar energy cannot penetrate and autotilt which manages the tilt angle as the aircraft climbs or descends.