Description
The 2dBi Whip Omni-Directional Antenna is a high-efficiency communication solution designed for the 433MHz frequency spectrum, widely used in Sub-GHz IoT and long-range wireless applications. Tuned for peak resonance at 433MHz, it provides a stable and reliable link for low-power wide-area network (LPWAN) devices. This antenna is an ideal solution for compact installations where a balance between performance and small form factor is required, ensuring consistent data transmission for smart meters, environmental sensors, and security systems.
The antenna features a ruggedized whip design with a high-reliability interface for secure attachment to transceivers and gateways. It is constructed with premium internal radiator elements protected by a UV-resistant, high-impact radome, ensuring long-term durability in various environmental conditions. Its omni-directional radiation pattern provides a complete 360-degree horizontal coverage, ensuring that signals are captured from any direction without the need for complex alignment, which is critical for distributed sensor networks.
Key Technical Advantages
-
Precision 433MHz Tuning: Optimized specifically for the 433MHz ISM band to ensure maximum power transfer and signal integrity for low-frequency RF modules.
-
Consistent 2dBi Gain: Provides a stable signal profile that minimizes packet loss in short-to-medium range wireless applications.
-
360° Omni-Directional Coverage: Delivers a uniform horizontal radiation pattern, allowing for flexible device placement and reliable communication with multiple nodes.
-
Low VSWR Performance: Engineered with precision matching components to maintain low reflected power, protecting sensitive radio hardware from potential damage.
-
Compact & Rugged Design: The streamlined whip construction is built to withstand mechanical vibration and environmental exposure, making it suitable for industrial and outdoor IoT enclosures.
Key Features
-
Frequency Range: 420 – 450 MHz (Center Frequency 433MHz).
-
Gain: 2 dBi.
-
Radiation Pattern: Omni-Directional.
-
Polarization: Vertical.
-
Impedance: 50 Ohm (Standard).
-
Connector Type: SMA Male / RP-SMA (Configuration dependent).
-
Common Application: IoT sensor nodes, smart home security, wireless remote controls, automated meter reading (AMR), and industrial telemetry.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm |
| Frequency Range | 420 – 450 MHz |
| VSWR | ≤ 1.5:1 |
| Gain | 2 dBi |
| Polarization | Vertical |
| Horizontal Beamwidth | 360° |
| Operating Temp | -40°C ~ +85°C |







Reviews
There are no reviews yet.