Upgrade with Confidence—Certified Avionics That Fit Your Fleet Key Offerings: RA-6500/RA-5500 Radar Altimeters: Interference-resistant, DO-160G qualified, and ideal for legacy and next-gen aircraft. Dual-Band ADS-B: Global situational awareness with 978 MHz and 1090 MHz support. 200J GNSS/SBAS Receiver: Compact, high-integrity GPS solution with SBAS support for rotorcraft, UAMs, and fixed-wing platforms.