DH0911-2412-NF Helical Antenna
The DH0911-2412-NF Helical Antenna is designed for secure and reliable wireless communication across the 900 MHz and 2.4 GHz bands.
Description
The DH0911-2412-NF Helical Antenna is designed for secure and reliable wireless communication across the 900 MHz and 2.4 GHz bands. Engineered for industrial, defense, and critical infrastructure applications, this antenna provides robust, interference-resistant connectivity, making it ideal for IoT networks, industrial automation, military communications, and Counter-Unmanned Aerial Systems (C-UAS) operations.
Its circular polarization minimizes multipath interference, ensuring stable transmission even in challenging RF environments such as tunnels, underground mining, and highly reflective industrial spaces. Optimized for machine-to-machine (M2M) communication, wireless sensor networks, and surveillance applications, the DH0911-2412-NF enables long-range, high-efficiency connectivity in demanding operational settings.
Built for rugged durability, this antenna can withstand harsh environmental conditions, ensuring long-term performance for mission-critical wireless applications.
| General Specifications | |
|---|---|
| Model Name | DH0911-2412-NF |
| Part Number | 99208501 |
| Antenna Type | Helical Antenna |
| Radiation Pattern | Directional |
| Enclosure | Polycarbonate Radome |
| Colour | Black, Matte finish (RAL 9005) |
| Compliances | RoHS, REACH |
| Markets | Tactical C-UAS systems, Industrial & Mining IoT |
| Electrical Specifications | |
| Frequency (MHz) | 690-1000, 2400-2500 |
| Frequency Band | ISM |
| Gain - (dBic) | 11@900MHz, 12@2400 |
| Polarization | 690-LHCP, 2400-RHCP |
| VSWR (Max) | 2:1 |
| Impedance (Ω) | 50 |
| Max Input Power (W) | 100 |
| Front/Back Ratio - Min. (dB) | 20 |
| HPBW (°) | 47 @ 900 MHz, 32 @ 2400 MHz |
| Mechanical Specifications | |
| Length - in (mm) | 16.1 (409) |
| Weight - lbs (kg) | 4.3 (2.0) |
| Radome Diameter - in (mm) | 5 (127) |
| Ground Plane Diameter - in (mm) | 12 (305) |
| Connector Type | N-Type (Female) |
| Number of Connectors | 2 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -58 to 158 (-50 to 70) |
| Mounting Specifications | |
| Mount Type | Mast or Panel (4 x 10-32 Studs) or Universal Bracket |
| Mast OD - in (mm) | 1.25-1.5 (32-38) |
