TH0911-2412-5814-NF Helical Antenna
The TH0911-2412-5814-NF Helical Antenna is a rugged tri-band helical (690–1000 MHz, 2.4–2.5 GHz, 5.7–5.85 GHz) with circular polarization, built for secure, interference-resistant communication in C-UAS, defense, surveillance, and industrial wireless applications.
Description
The TH0911-2412-5814-NF Helical Antenna is designed for simultaneous operation across three frequency bands: 690 MHz to 1.0 GHz, 2.4 to 2.5 GHz, and 5.7 to 5.85 GHz. Tailored for mission-critical applications, this antenna ensures secure, interference-resistant connectivity, making it ideal for counter-unmanned aerial systems (C-UAS), military defense, surveillance, industrial automation, and advanced wireless networks.
Its circularly polarized helical design enhances signal stability and penetration while mitigating multipath interference. This feature guarantees reliable transmission in challenging environments such as tunnels, underground mines, urban areas, and locations with highly reflective RF conditions.
Optimized for multi-frequency applications, the TH0911-2412-5814-NF supports real-time communication, Industrial Internet of Things (IIoT) networks, mesh networking, and tactical wireless systems, enabling secure and efficient connectivity in demanding operational settings. Built for rugged durability, this antenna is constructed to withstand harsh environmental conditions, ensuring consistent, long-term performance for defense, industrial, and wireless communication applications.
| General Specifications | |
|---|---|
| Model Name | TH0911-2412-5814-NF |
| Part Number | 99209501 |
| 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, 5700-5850 |
| Frequency Band | ISM |
| Gain - (dBic) | 11 @ 900 MHz, 12 @ 2400 MHz, 14 @ 5800 MHz |
| Polarization | 900-LHCP, 2400-RHCP, 5800-LHCP |
| VSWR (Max) | 2:1 |
| Impedance (Ω) | 50 |
| Max Input Power (W) | 100 @ 900 MHz, 100 2400 MHz, 50 @ 5800 MHz |
| Front/Back Ratio - Min. (dB) | 20 |
| Isolation - Min. (dB) | 15 |
| HPBW (°) | 50 @ 900 MHZ, 30 @ 2400 MHz, 12 @ 5800 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 | 3 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -40 to 158 (-40 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) |
