C/D/E Band Airborne Blade Antenna
500 to 2000 MHz
SKU: 21-40-45
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The 21-40-45 is an extended frequency UHF, C/D airborne blade antenna designed for high performance aircraft and covering data link as well as Tacan and IFF frequencies. It is a direct footprint replacement for AT256 UHF Blade antennas.
Electrical design is based on a 2-dimensional, shunt-grounded discone which is of high efficiency and provides nearly omnidirectional azimuthal radiation.
Mechanical design uses an advanced, glass-loaded thermoplastic radome with an integral radiating element, all foamed-in-place for structural and environmental integrity.
The blade is built into a contoured aluminum alloy base collar and has a centrally mounted, N-type female coaxial connector. Different base configurations can be provided.
- Covers LINK 16, IFF, TACAN, JTIDS & other data links
- Low profile, diamond shaped blade
- Designed to meet MIL-STD-810
- Fully environmentally sealed
- Grounded for lightning protection
- Lossless matching - high RF efficiency
- Omnidirectional radiation pattern
| 21-40-45 | |
| Model # | 21-40-45 |
| Brand | Cooper Antennas |
| Frequency | 500 - 2000 MHz |
| Gain (Average) | ≥1 dBi |
| VSWR | ≤ 3:1 |
| Impedance (nominal) | 50 Ohms |
| Power | 100 Watts CW |
| Polarization | Vertical |
| Radiation | Omni-directional in azimuth, similar To stub in elevation |
| Antenna RF Connector | N Female |
| Antenna Shell Type | Epoxy/fiberglass blade in aluminum alloy base collar |
| Element Height | 6 inches (152.5mm) max |
| Weight | 0.9 lbs (0.4 Kg) max |
| Side Loading | ≥ 8 psi ultimate |
| Base Plate Shape | Diamond shape |
| Fixing Holes | 6 x Ø 0.203 inch (5.2mm) holes, counter bored Ø 0.43 inches (10.9mm) |
Finish
- Urethane Lusterless Black
- Other finish options are available.
- Please specify finish required when ordering.
Datasheet:
