Specifications
|
RM-ABA30512 |
||
|
Parameters |
Specifications |
Units |
|
Frequency Range |
30-512 |
MHz |
|
VSWR |
2.5 Typ. |
|
|
Polarization |
Linear |
|
|
Connector |
SMA-Female |
|
|
Finishing |
Paint Black |
|
|
Material |
Aluminum Alloy |
|
|
Size |
430*230*455.8 |
mm |
|
Weight |
27.85 |
kg |
An Airborne Blade Antenna is a low-profile antenna specifically designed for flush or slightly protruding mounting on the exterior skin of an aircraft. Its aerodynamic, flattened “blade” shape minimizes drag and radar cross-section (RCS). These antennas typically cover frequency bands ranging from VHF to millimeter-wave (MMW), depending on the model.
The key design features include broadband capability and an omnidirectional or near-omnidirectional radiation pattern (in the horizontal plane). Mounted on the aircraft surface, blade antennas must withstand harsh environmental conditions such as high-speed airflow, extreme temperature variations, vibration, and icing. Therefore, they often employ a rugged composite radome and corrosion-resistant metal base, housing radiating elements like monopoles, dipoles, or microstrip patches.
Primary applications include communication/navigation (VHF/UHF radios), Identification Friend or Foe (IFF), Distance Measuring Equipment (DME), Instrument Landing Systems (ILS), and satellite communications (SATCOM). Their advantages lie in low aerodynamic drag, easy conformal installation, and excellent broadband characteristics, making them an indispensable antenna type on modern military and civil aircraft.
