BDH2024-ASP Helical Antenna
The BDH2024-ASP Helical Antenna is a bi-directional, circularly polarized antenna operating in the 2.4–2.5 GHz band. Designed for industrial and harsh environments, it features anti-static protection and a durable construction optimized for reliable Wi‑Fi communication in tunnels, mines, and confined spaces.
Description
The BDH2024-ASP Helical Antenna is a bi-directional, circularly polarized antenna engineered for high‑reliability Wi‑Fi communication within the 2.4–2.5 GHz frequency range. Its dual-lobe radiation pattern allows robust coverage in two opposing directions, extending wireless reach and maintaining consistent link quality in confined or elongated environments such as tunnels, shafts, and industrial corridors.
The helical circular polarization provides superior resistance to multipath interference and polarization mismatch, ensuring stable connectivity and reliable data transmission in high-reflection RF conditions. The BDH2024-ASP’s housing incorporates anti-static paint to minimize electrostatic discharge (ESD) buildup, enhancing safety and operational longevity in electrically sensitive or high‑dust environments.
Purpose-built for underground mining, industrial automation, IIoT infrastructure, and mission‑critical communication networks, the BDH2024-ASP delivers dependable performance in harsh conditions. Its rugged mechanical design enables straightforward installation and long service life across static and mobile deployment scenarios.
| General Specifications | |
|---|---|
| Model Name | BDH2024-ASP |
| Part Number | 99172501 |
| Antenna Type | Helical Antenna |
| Radiation Pattern | Bi-Directional |
| Enclosure | Polycarbonate Radome |
| Colour | White, Anti Static coating |
| Compliances | RoHS, REACH |
| Markets | Industrial & Mining IoT |
| Electrical Specifications | |
| Frequency (MHz) | 2400-2500 |
| Frequency Band | ISM |
| Gain - (dBic) | 15 |
| Polarization | RHCP |
| VSWR (Max) | 2.2:1 |
| VSWR Typical | 1.5:1 |
| Impedance (Ω) | 50 |
| Max Input Power (W) | 50 |
| HPBW (°) | 23 |
| Mechanical Specifications | |
| Length - in (mm) | 60.4 (1534) |
| Weight - lbs (kg) | 2.5 (1.1) |
| Radome Diameter - in (mm) | 2 (51) |
| Ground Plane Diameter - in (mm) | 5.5 (140) |
| Connector Type | N-Type (Female) |
| Number of Connectors | 1 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -40 to 158 (-40 to 70) |
| Wind Loading Area - ft² (m²) | 0.6 (.05) |
| Wind Loading Area with ½" Ice - ft² (m²) | 0.9 (.08) |
| Wind Load ft-lbs | 27 |
| Wind Load ft-lbs with ½" Ice | 12 |
| Mounting Specifications | |
| Mount Type | Mast Mounted; or Ceiling Mount as an option |
| Mast OD - in (mm) | 2 (51) |
Model Variants
- BDH2024-ASP-LH Helical Antenna – LHCP with Anti-Static Coating
- BDH2024-W Helical Antenna – RHCP with Standard White Paint
