The Humminbird AS-21RD4KW is a 21" 4kW radome with ethernet Connection. It is an excellent choice for coastal cruisers, offshore fishermen and serious offshore adventurers. With 4kW of transmit power output and a 21" high performance antenna array, this radome houses a powerful radar system that works under all weather conditions. It is equipped with 9410 ± 30MHz transmit frequency providing optimum performance at all ranges.

AS-21RD4KW Features:

• Radome W/ Ethernet Connection
• 21-Inch 4KW Transit Power
• 9410 ± 30MHz Transmit Frequency
• 4° Horizontal Beamwidth
• 25° Vertical Beamwidth
• 24rmp Rotation
• Better Than -20dB Sidelobes

For Humminbird Models:

• 1100 Series™:
  - 1198c SI, 1197c SI
• 900 Series™:
  - 998c SI, 958c, 958c DI
• 800 Series™:
  - 898c SI, 858c, 858c DI