D2274-A Dipole Antenna
The D2274-A Dipole Antenna has dual independent elements for simultaneous 225–400 MHz operation in military, defense, and air traffic control systems.
Description
The D2274-A Dipole Antenna features two independent radiating elements within a single radome, supporting simultaneous operation in the 225–400 MHz frequency range. Engineered for mission-critical applications in military aviation, defense operations, and air traffic control, it offers omni-directional coverage and high isolation between ports for reliable, interference-resistant ground-to-air communications. Built to meet military environmental standards, the D2274-A Dipole Antenna delivers durable, long-term performance in harsh conditions, making it ideal for multi-channel UHF networks in demanding operational environments.
| General Specifications | |
|---|---|
| Model Name | D2274-A |
| Part Number | 28773501 |
| Antenna Type | Dipole Antenna |
| Radiation Pattern | Omni-Directional |
| Enclosure | Wound Fiberglass Radome |
| Colour | Olive Drab (RAL 6022) |
| Compliances | RoHS, REACH |
| Markets | Military & Defence, Aviation & Air Traffic |
| Electrical Specifications | |
| Frequency (MHz) | 225-400 |
| Frequency Band | UHF |
| Gain - (dBi) | 2 |
| Polarization | Vertical |
| VSWR (Max) | 2:1 |
| Impedance (Ω) | 50 |
| UHF Max Input Power (W) | 250 |
| Isolation - Min. (dB) | 30 |
| HPBW (°) | 75 |
| Mechanical Specifications | |
| Length - in (mm) | 85.4 (2169) |
| Weight - lbs (kg) | 11 (5.0) |
| Element Configuration | UHF-UHF |
| Number of Elements | 2 |
| Connector Type | N-Type (Female) |
| Number of Connectors | 2 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -40 to 158 (-40 to 70) |
| Wind Loading Area - ft² (m²) | 1.31 (.12) |
| Wind Loading Area with ½" Ice - ft² (m²) | 1.92 (.17) |
| Bend Moment (ft-lbs) | 122.5 |
| Bend Moment with ½" Ice (ft-lbs) | 45.3 |
| Survival Rating No Ice - mph (kph) | 150 (241) |
| Mounting Specifications | |
| Mount Type | Mount B - Mounting Bracket |
| Mast OD - in (mm) | 1.5-3 (38-76) |