D2221-S Sectional Omni Directional Antenna

The D2221-S Sectional Multi-Dipole Omni-Directional Antenna (UHF 225-400 MHz, Four Outputs) features a two-piece design for easy transport and deployment, providing secure, interference-free multi-frequency ground-to-air communication for military, defense, and air traffic control applications.

GENERAL  
Antenna Pattern:
Antenna Type:
Radome Finish:
Radome Material:
ELECTRICAL
Frequency (MHz):  
Polarization:  
HPBW (°):  
Impedance (Ohm):  
VSWR (Max):  
Gain (dBi):  
Axial Ratio (dB):  
Front/Back Ratio:  
Isolation (dB):  
Max Input Power (W):  
Connector Type:  
Number of Connectors:  
MECHANICAL
Antenna Length (in):  
Top Section Length (in):
Bottom Section Length (in):
Antenna Weight (lbs):
Top Section Weight (lbs):
Bottom Section Weight (lbs):
Number of Elements:
Length of Longest Element (in):
Reflector Dimensions (in):
Radome Diameter (in):
Ground Plane Diameter (in):
Bulkhead Base Diameter (in):
Helical Diameter (in):
ENVIROMENTAL  
Operating Temperature (F):
Wind Area (ft²):
Wind Area With ½” Ice (ft²):
Wind Load ft-lbs:
Wind Load With ½” Ice ft-lbs:
Thrust No Ice (ice lbs):
Thrust With ½” Ice (ice lbs):
Rated Wind Velocity (mph):
Rated Wind Velocity With ½” Ice (mph):
Bend Moment (ft-lbs):
Survival Rating (mph):
Azimuth (°):
Elevation (°):
MOUNTING  
Mast OD (in):
Mounting OD (in):
Mount Type:
Mount Height (in):
Mount Weight (lbs):
All model variants feature identical electrical, mechanical, and environmental specifications. Selection depends on required polarization, color, and optional accessories.
MODEL VARIANTS      
Model# Polarization Color Accessories
BDH2024-W RHCP or LHCP Standard White
BDH2024-ASP RHCP Anti-Static Paint White
BDH2024-ASP-LH LHCP Anti-Static Paint White
 

Description

The D2221-S is a rugged, military-grade omni-directional dipole antenna, engineered for mission-critical ground-to-air communications in military, defense, and FAA-regulated air traffic control operations. Designed with a two-piece sectional construction, it allows for easy transport, rapid deployment, and simplified installation, making it ideal for temporary installations, tactical operations, and transport-sensitive applications.

Featuring four independent UHF outputs, the D2221-S operates within the 225-400 MHz frequency band, enabling simultaneous multi-frequency operation with high isolation, ensuring secure, interference-free connectivity for military aviation, defense networks, and air traffic control systems.

Built to military specifications, the D2221-S provides 360-degree omnidirectional coverage, maximizing signal clarity and long-range communication between aircraft and ground stations. Its robust, all-weather construction ensures long-term durability and high-performance transmission, making it an essential component for critical defense and aviation applications