D2218 Dipole Antenna
The D2218 Dipole Antenna is a high-performance omni-directional antenna engineered for military and defense communications. Operating across the 116–150 MHz and 225–400 MHz frequency bands, it supports simultaneous multi-band operation via three independent connectors, providing reliable VHF and UHF communication within a single rugged radome.
Description
The D2218 Dipole Antenna is a rugged design for demanding military and defense applications. Covering both the 116–150 MHz and 225–400 MHz frequency bands, the antenna is equipped with three separate connectors, allowing for independent operation across multiple VHF and UHF channels simultaneously. Its robust fiberglass construction ensures dependable performance in harsh environments, while the extended height enhances signal clarity and range. Ideal for multi-channel military platforms, the D2218 Dipole Antenna offers flexible, long-range communication in mission-critical scenarios.
| General Specifications | |
|---|---|
| Model Name | D2218 |
| Part Number | 99150501 |
| Antenna Type | Dipole Antenna |
| Radiation Pattern | Omni-Directional |
| Enclosure | Wound Fiberglass Radome |
| Colour | Olive Drab (RAL 6022) |
| NSN Number | 5985-01-301-5437 |
| Compliances | RoHS, REACH |
| Markets | Military & Defence, Aviation & Air Traffic |
| Electrical Specifications | |
| Frequency (MHz) | 116-150, 225-400 |
| Frequency Band | VHF + UHF |
| Gain - (dBi) | 2 |
| Polarization | Vertical |
| VSWR (Max) | 2:1 |
| Impedance (Ω) | 50 |
| VHF Max Input Power (W) | 350 |
| UHF Max Input Power (W) | 250 |
| Isolation - Min. (dB) | 30 |
| HPBW (°) | 75 |
| Mechanical Specifications | |
| Length - in (mm) | 169.4 (4302) |
| Weight - lbs (kg) | 16 (7.3) |
| Element Configuration | VHF-UHF-VHF |
| Number of Elements | 3 |
| Connector Type | N-Type (Female) |
| Number of Connectors | 3 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -40 to 158 (-40 to 70) |
| Wind Loading Area - ft² (m²) | 2.12 (.19) |
| Wind Loading Area with ½" Ice - ft² (m²) | 3.37 (.31) |
| Bend Moment (ft-lbs) | 359.1 |
| Bend Moment with ½" Ice (ft-lbs) | 148 |
| Survival Rating No Ice - mph (kph) | 100 (160) |
| Mounting Specifications | |
| Mount Type | Mount A - Clamp Mount |
| Mast OD - in (mm) | 3 (76) |
Model Variants
- D2218-A Sectional Dipole Antenna – Two-Piece Sectional Model (116–150 MHz, 225-400 MHz)
