Specifications
Specification Measurement
Weight GMR Fantom 18 6.3 kg (13.8 lb.)
Weight GMR Fantom 24 7.7 kg (17 lb.)
Temperature range From -25 to 70°C (from -13 to 158°F)
Case material Thermoplastic resin
Maximum antenna rotation speed 48 RPM
Input voltage From 10 to 32 Vdc, 2.5 A max.
Power consumption
1
Standby: 3 W
Transmitting: 18.1 to 24.4 W
Fuse 7.5 A
Power output 40 W peak
Transmitter center frequency From 9335 to 9455 MHz
Transmitter maximum bandwidth 40 MHz
Beam width GMR Fantom 18 5.2 degrees
Beam width GMR Fantom 24 3.7 degrees
Maximum range 48 nm
Minimum range 6 m (20 ft.)
Compass-safe distance 0.25 m (10 in.)
Minimum safe operating distance
2
• 100 W/m² = 0.08 m (3.15 in.)
• 50 W/m² = 0.12 m (4.72 in.)
• 10 W/m² = 0.26 m (10.24 in.)
1
Power consumption when transmitting is affected by the range setting. A greater range setting uses more power.
2
When it is transmitting, the radar should be located in a position on the vessel that is at least this far from people. (IEC 60936-1, clause 3-27.1, specifies the
maximum distances from the antenna at which radio frequency (RF) levels can be expected.)
These minimum safe distances apply for a transmitting radar with a rotating antenna, and are much larger when the antenna is not rotating. If rotation of the
antenna is obstructed for any reason, the transmitter will automatically turn off.
6
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