SPECS :

General

DIMENSION    20" diameter, 9.75" high (50.8 cm diameter, 24.8 cm high)
WEIGHT    17 lbs (7.7 kg)
WATERPROOF    IPX7
ANTENNA LENGTH    17" (43.18 cm)
ROTATION SPEED (RPM)    24 and 48 rpm
BEAM WIDTH    5.2° horizontal, 25° vertical
MAXIMUM RANGE    48 nm
MINIMUM RANGE    20 meters
RADAR TYPE    Radome
Electrical Features
POWER INPUT    11-35 V DC
TRANSMIT POWER    4 kW

Radar Features
DUAL RANGE    Yes
OVERLAY    Yes
DUAL RADAR SUPPORT    Yes
AUTO GAIN    Yes
MARPA TARGET TRACKING    yes 

In The Box :

GMR 18 xHD
Mounting hardware kit
Power cable (15 m/49.21 ft)
Network cable (15 m/49.21 ft)
Installation instructions
Mounting template
Grommet for marine cable