Thnku 
Info from Saab's website :
The ERIEYE AEW&C is the world’s only operational airborne Active Electronically Scanned Array (AESA) radar in service today. The Saab 2000 ERIEYE AEW&C utilises the latest generation ERIEYE radar, now capable of detecting small air targets, hovering helicopters, cruise missiles and small sea targets such as inflatable rubber boats, for a more complete surveillance picture.
Radar System performance:
• Active Phased Array Pulse Doppler multi-mode radar
• 450 km range and above 20 km (65,000 ft) altitude coverage
• Effective surveillance area of 500,000 sq km
• Capable of combined air and sea surveillance
• Automatic tracking of priority air targets
• Identification Friend or Foe (IFF) system