Specifications
- Gain
- 8dBi
- Size
- 1200mm length
- Price Range
- $50-70
Pros & Cons
Pros
- ✓ Excellent 8dBi gain for maximum range
- ✓ Professional fiberglass construction
- ✓ Weatherproof outdoor-rated
- ✓ Optimal for flat terrain coverage
- ✓ Trusted by mesh network professionals
Cons
- ✗ Very tall - 1.2m requires secure mounting
- ✗ Narrow vertical pattern - less coverage to hills/valleys
- ✗ Higher cost than lower-gain options
- ✗ Expensive shipping due to size
Where to Buy
RF Explorer 8dBi
Overview
The RF Explorer RFELA-5/8X9 is a high-performance 8dBi fiberglass antenna designed for maximum range in LoRa mesh networks. At nearly 4 feet tall, this professional-grade antenna is ideal for permanent installations where maximum horizontal range is the priority.
Key Features
- Exceptional 8dBi Gain: Extends range significantly over standard antennas
- 902-928MHz Optimized: Perfect match for US LoRa frequencies
- Robust Construction: Heavy-duty fiberglass withstands harsh weather
- Omnidirectional: 360-degree horizontal coverage pattern
- Professional Grade: Used in commercial LoRa deployments
Performance Characteristics
The 8dBi gain provides exceptional range on flat terrain or between mountaintop repeaters with clear line of sight. However, the higher gain focuses the signal into a narrower horizontal plane, reducing coverage to locations significantly above or below the antenna.
Best for: Long-distance links across flat terrain or between elevated locations at similar heights.
Less ideal for: Hilly terrain where radios are at varied elevations relative to the antenna.
Installation Requirements
- Mounting: Requires very secure mount - antenna is 1200mm (47”) tall and has wind load
- Height: Mount as high as safely possible for line-of-sight
- Orientation: Must be vertical for proper omnidirectional pattern
- Lightning Protection: Strongly recommended for elevated installations
- Coax: Use quality low-loss cable to preserve signal gains
Use Cases
Perfect for:
- Mountaintop-to-mountaintop repeater links
- Fixed gateway installations with flat coverage area
- Maximum range applications
- Professional mesh network infrastructure
- Marine/coastal installations with water coverage
Not ideal for:
- Mobile/portable applications
- Areas with significant elevation changes
- Close-range communications
Comparison to 5.8dBi
The 2.2dBi gain increase translates to roughly 30-40% more range, but with a narrower vertical pattern. Choose this antenna when:
- Terrain is relatively flat
- Communicating between similar-elevation locations
- Maximum range is critical
- Installation location is very elevated
Choose the 5.8dBi when:
- Terrain has significant hills/valleys
- Radios at varied elevations need coverage
- Balance between range and coverage is desired