D2221-M2G Shipboard Antenna
The D2221-M2G Shipboard Dipole Antenna operates within the 225-400 MHz UHF range, providing 360-degree omni-directional coverage and vertical polarization. With four vertically stacked dipoles, it enables simultaneous operation across multiple frequencies, making it ideal for naval and defense communications.
Description
The D2221-M2G Shipboard Dipole Antenna is a high-performance UHF antenna designed for ship-to-air and ship-to-ship communications in naval, coast guard, and defense applications. Operating in the 225-400 MHz frequency range, this antenna features four vertically stacked UHF dipoles, providing four independent UHF outputs for simultaneous operation across multiple frequencies with minimal interference.
Its omni-directional radiation pattern ensures 360-degree coverage, offering reliable, secure communication in the most demanding maritime environments. Built with a rugged fiberglass radome, the D2221-M2G is designed to withstand harsh sea conditions, ensuring consistent performance in extreme environments. Its compact design maximizes space efficiency, making it an essential component for mission-critical naval communication networks.
| General Specifications | |
|---|---|
| Model Name | D2221-M2G |
| Part Number | 95121505 |
| Antenna Type | Dipole Antenna |
| Radiation Pattern | Omni-Directional |
| Enclosure | Wound Fiberglass Radome |
| Colour | Battleship Grey, Gloss finish (RAL 7046) |
| Compliances | RoHS, REACH |
| Markets | Military & Defence, Maritime & Naval |
| Electrical Specifications | |
| Frequency (MHz) | 225-400 |
| 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) | 169.4 (4303) |
| Weight - lbs (kg) | 19 (8.6) |
| Element Configuration | UHF-UHF-UHF-UHF |
| Number of Elements | 4 |
| Connector Type | N-Type (Female) |
| Number of Connectors | 4 |
| Environmental & Structural Specifications | |
| Operating Temperature - °F (°C) | -40 to 158 (-40 to 70) |
| Mounting Specifications | |
| Mount Type | Mount A - Clamp Mount |
| Mast OD - in (mm) | 3 (76) |
Model Variants
- D2221 Dipole Antenna – Standard Model (225-400 MHz) with standard mounting
- D2221-S Sectional Dipole Antenna – Two-Piece Sectional Model (225-400 MHz)
