DH0911-2412-NF Dual-Band Helical Antenna

The DH0911-2412-NF Dual-Frequency Helical Antenna (900 MHz & 2.4 GHz) provides secure, interference-resistant communication, ensuring reliable performance for industrial automation, military defense, C-UAS, and wireless networking 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 DH0911-2412-NF is a high-performance dual-frequency helical antenna, designed for secure and reliable wireless communication across the 900 MHz and 2.4 GHz bands. Engineered for industrial, defense, and critical infrastructure applications, this antenna delivers robust, interference-resistant connectivity, making it ideal for IoT networks, industrial automation, military communications, and C-UAS (Counter-Unmanned Aerial Systems) operations.

Its circular polarization minimizes multipath interference, ensuring stable transmission in challenging RF environments such as tunnels, underground mining, and highly reflective industrial spaces. Optimized for machine-to-machine (M2M) communication, wireless sensor networks, and surveillance applications, the DH0911-2412-NF enables long-range, high-efficiency connectivity in demanding operational settings.

Built for rugged durability, this antenna withstands harsh environmental conditions, ensuring long-term performance for mission-critical wireless applications.