RADAR

GARMIN 18HD+ RADOME

High definition (outstanding target separation with less screen clutter)
Guard zone alarm
Radar overlay support
MARPA target tracking (collision avoidance): Yes (Requires Heading Sensor, Sold Separately)
Transmit power: 4 kW
Minimum range: 20 meters

GARMIN GMR xHD2 OPEN ARRAY RADAR

High definition (outstanding target separation with less screen clutter)
Guard zone alarm
Radar overlay support
MARPA target tracking (collision avoidance): Yes (Requires Heading Sensor, Sold Separately)
Dual range support
No Transmit Zone