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Lowrance HALO20 – 20-Inch Pulse Compression Radar Dome
Lowrance HALO20 – 20-Inch Pulse Compression Radar Dome utilizes a flagship compact pulse compression architecture for reliable hazard avoidance in a 20-inch footprint. This dome provides elite situational awareness for near-shore fishing.
- Screen: External MFD required, compatible with Lowrance HDS/Elite series.
- Technology: 24nm range, 10W pulse compression, MARPA target tracking.
- Connection: Ethernet (5-pin), NMEA 2000, 12V/24V DC power.
- Durability: IPX6 rated, operational from -25°C to +55°C.
- Warranty: Lowrance 2-year limited warranty with technical factory support.
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Description
Lowrance HALO20 – 20-Inch Pulse Compression Radar Dome
Solving the need for high-definition hazard detection in a compact format, the Lowrance HALO20 is a 20-inch pulse compression radome engineered for smaller coastal boats and bay boats. This radar is specifically designed for American anglers who require instant situational awareness without the bulk of an open array. For the USA captain, the HALO20 provides an immediate “InstantOn” capability from standby, ensuring you have a clear radar picture of harbor markers and other vessels the moment you need it, even in the dense morning fogs of the Gulf Coast or the Atlantic seaboard.
The HALO20 delivers a high-quality radar image with superior target separation, allowing you to distinguish between pilings and boats at close range. Its low power consumption and small footprint make it an ideal safety upgrade for any Lowrance HDS or Elite FS system. With its ruggedized construction and reliable performance, this 20-inch dome offers the American maritime market a professional-grade radar solution that maximizes safety during nighttime navigation and low-visibility conditions.
Core Technical Specifications
- Radar Type: Pulse Compression.
- Antenna Size: 20-Inch Radome.
- Range: 24 Nautical Miles.
- Rotation Speed: 24 RPM.
- Warm-up Time: Instant-On from Standby.
- Power Consumption: 18W (Transmitting) / 2W (Standby).
- Connectivity: Ethernet to Lowrance MFDs.
- Voltage: 12V / 24V DC.
LOWRANCE HALO20 - 20-Inch Pulse Compression Radar Dome Technical Specifications
| Radar Type | Solid State Pulse Compression |
| Antenna Type | Radome |
| Antenna Size | 20-Inch |
| Peak Power Output | 20W |
| Maximum Range | 24 Nautical Miles |
| Horizontal Beamwidth | 4.9° |
| Vertical Beamwidth | 25° |
| Rotation Speed | 24 RPM |
| Pulse Width | 6.4 ns to 120 μs |
| Target Tracking (MARPA/ARPA) | MARPA (Up to 10 targets) |
| Doppler Technology | No (Standard Halo Edition) |
| Dual Range Support | No |
| Minimum Range | 20 ft (6 meters) |
| Receiver Noise Figure | 5 dB |
| Operating Voltage | 12V / 24V DC |
| Power Consumption (Operating) | 18W (Typical) / 27W (Max) |
| Power Consumption (Standby) | 3.9W |
| Data Connectivity | Ethernet (RJ45) |
| Waterproof Rating | IPX6 |
| Wind Velocity Rating | 100 Knots |
| Weight | 5.9 kg (13 lbs) |
| Warranty | 2 Years |
Common Questions for Lowrance HALO20
The HALO20 requires a 12V or 24V DC system with a battery bank meeting minimum marine cranking amps for consistent operation. Since there is no gallons per hour rate, the Lowrance HALO20 Radar is very energy-efficient, making it ideal for small fishing boats that need pulse compression safety features.
This compact 20-inch dome is the optimal boat hull application for bay boats and coastal cruisers where mounting space is at a premium. The Lowrance 20-Inch Radar provides excellent target detection up to 24 nautical miles, allowing the Lowrance HALO20 user to navigate safely through fog or dark conditions.
Check the sacrificial aluminum anode locations on your outboard or hull to ensure that the radar's electrical ground is protected from electrolysis. Maintenance for the Lowrance HALO20 involves a simple freshwater rinse of the dome to prevent salt crusting from degrading the radar's ability to identify small surface targets.
Always utilize Genuine Lowrance Parts for the Ethernet and power cables to ensure the radar communicates flawlessly with your HDS or Elite display. The Lowrance HALO20 Antenna depends on a solid data connection to provide its instant-on capability and high-resolution target separation without experiencing any signal interference or data lag.
The HALO20 is a solid-state radar with a sealed motor assembly that does not have an FC-W engine oil capacity to monitor. This Lowrance HALO20 Dome is designed for a long, maintenance-free life, using advanced electronics instead of high-wear mechanical parts, making it much simpler to own than traditional radar units.
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