Base station antenna
Base station antenna
Model: FLSU-440–470-BSA Antenna
The FLSU-440–470-BSA is a high-performance collinear, omnidirectional base station and marine antenna designed for the 440–470 MHz frequency range. Manufactured by Fortilink System (UK), it provides reliable communication and outstanding durability in harsh and corrosive environments.
Built with a robust fiberglass radome and low wind load design, the antenna includes a universal “C” mounting bracket made of epoxy-coated, seawater-resistant aluminum. All metal components are DC grounded, ensuring reduced noise and stable operation.
Key Features
- Collinear, broadband design
- Omnidirectional radiation pattern
- Marine-grade durability
- Low wind load fiberglass radome
- DC grounding for noise reduction
- Stainless steel mounting hardware
- Long service life in extreme environments
Materials
- Radome (Shroud): Polyurethane-coated fiberglass
- Mounting Bracket: Epoxy-coated, seawater-resistant aluminum
- Clamps & Hardware: Stainless steel
Mounting
- Suitable for mast installation
- Compatible with mast diameters: 27 mm – 65 mm
| Technical Specifications | |
|---|---|
| Parameter | Specification |
| Frequency Range | 440 – 470 MHz |
| Impedance | 50 Ohm (nominal) |
| Radiation Pattern | Omnidirectional |
| Polarization | Vertical |
| Gain | 3 dBd (5.2 dBi) |
| Beamwidth | 30° |
| Bandwidth | 30 MHz |
| VSWR | ≤ 1.5 : 1 |
| Maximum Power | 150 W |
| Electrical & Protection | |
| Feature | Details |
| Antistatic Protection | All metal parts DC grounded (DC short present) |
| Connector Type | N Female |
| Temperature Range | -30°C to +70°C |
| Mechanical Specifications | |
| Parameter | Specification |
| Total Length | approx. 1450 mm |
| Top Diameter | 16 mm |
| Bottom Diameter | 25 mm |
| Weight | approx. 2.4 kg |
| Wind Surface Area | 0.032 m² |
| Wind Load | 40 N @ 160 km/h |
| Color | White (RAL 9003) |
The FLSU-440-470-BSA is a high-performance, unity-gain collinear base station and marine antenna engineered by Fortilink System (UK) for reliable communication in the 440-470 MHz frequency range. Built to endure harsh and corrosive environments, it features a robust polyurethane-coated glass fiber shroud and a seawater-resistant, epoxy-coated aluminum universal “C” mounting bracket. This broad-banded coaxial dipole offers an omnidirectional radiation pattern with vertical polarization and a gain of 3 dBd (5.2 dBi), ensuring stable operation without the need for complex tuning. With a power handling capacity of 150 W and an integrated DC-grounded design for antistatic protection, the antenna is an ideal solution for demanding maritime and fixed-site applications requiring IP66-rated durability and high wind-speed survival.
