RF Elements StarterHorn™ 30° USMA (STH-30-USMA)

The RF Elements StarterHorn™ 30° USMA is a compact symmetrical horn antenna built for WISPs and wireless broadband providers. Designed for high performance in dense environments, it delivers stable 18 dBi gain with a precise 30° beam for excellent noise rejection. Its unique waveguide port and RP-SMA connectors allow flexible radio compatibility. Built with UV-resistant materials, IP55 weather protection, and strong wind resistance, the StarterHorn™ 30° is a reliable, cost-effective choice for efficient wireless deployments.

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Description

The RF Elements StarterHorn™ 30° USMA is a professional-grade symmetrical horn antenna engineered for service providers and wireless network operators who demand both performance and affordability. With its 18 dBi gain and a 30° symmetrical radiation pattern, it provides excellent coverage control, noise rejection, and predictable performance across the 5 GHz band (5.150–5.950 GHz).

The StarterHorn™ 30° USMA is built around RF Elements’ unique waveguide technology, ensuring virtually lossless connection to compatible radios. Additionally, it features RP-SMA connectors, allowing integration with a wide range of third-party devices. This makes it a flexible and future-proof solution for network operators.

Constructed with UV-resistant ABS plastic, aluminium, and stainless steel, the antenna is highly durable and designed for outdoor conditions. With IP55 protection, wide operating temperature range (-30 °C to +55 °C), and survival in winds up to 160 km/h, it ensures dependable operation in diverse environments.

Thanks to its beam efficiency of 92% and robust mechanical design, the StarterHorn™ 30° USMA is the ideal solution for WISP deployments, rural connectivity projects, and dense sectorized networks where reliability and performance are essential.


Application

Wireless broadband, WISP deployments, Rural connectivity, PTP links


Key Features

✔️ Symmetrical horn design with 30° beam for precise coverage
✔️ 18 dBi gain with 92% beam efficiency for stable performance
✔️ Dual connection options: Waveguide port and RP-SMA connectors
✔️ Built from UV-resistant ABS, aluminium, and stainless steel
✔️ IP55 rating with wide operating temperature range (-30 °C to +55 °C)
✔️ Wind survival up to 160 km/h with strong mechanical tilt support
✔️ Compact, lightweight (1.3 kg) for easy installation
✔️ Optimized for WISP and rural wireless connectivity

Specifications

Specification Details
Model / SKU STH-30-USMA
Antenna Type Symmetrical Horn
Frequency Range 5.150 – 5.950 GHz
Gain 18 dBi
Beamwidth (-3 dB) H/V: 20°
Beamwidth (-6 dB) H/V: 30°
Beam Efficiency 92%
Front-to-Back Ratio 33 dB
Polarization Dual Linear H + V
Connectors Waveguide Port, RP-SMA
Material UV-Resistant ABS, Aluminium, Stainless Steel, Polyethylene
Ingress Protection IP55
Operating Temperature -30 °C to +55 °C
Wind Survival 160 km/h
Wind Load 23 N @ 160 km/h
Mechanical Tilt ± 30°
Pole Mount Diameter 20–55 mm (recommended close to 55 mm)
Dimensions 255 × 255 × 160 mm
Weight 1.3 kg
Warranty Not specified by vendor

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