C-Band Dipole Airborne Antenna
4.0 to 5.0 GHz
SKU: 21-40-31
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The 21-40-31 is a bicone dipole of rugged construction for airborne applications where ground plane independent operation is required.
Constructed within a glass-epoxy radome with lightweight aluminum alloy elements, this antenna provides a broad-beam +2 dBi gain elevation pattern ideally suited to data link applications on maneuverable air vehicles.
The antenna is attached to the aircraft with four 10:32 (or similar) countersunk screws and is completely sealed and foam filled for long term reliability and environmental protection.
- 4 to 5 GHz Bandwidth
- Low height, rugged construction
- Greater than 2 dBi gain
- 100 Watts power handling
- Designed to MIL-STD-810 environmental conditions
- Suitable for use up to Mach 0.85
21-40-31 | |
Model # | 21-40-31 |
Brand | Cooper Antennas |
Frequency | 4.0 to 5.0 GHz |
Gain | Typically ≥ 2 dBi |
VSWR | 2:1 max |
Impedance (nominal) | 50 Ohms |
Power | 100 Watts CW |
Elevation Pattern | As dipole, max gain at horizon ± 10º |
Azimuth Pattern | Omni-directional |
Antenna RF Connector | TNC Female |
Height | 5 inches (130 mm) max |
Element Diameter | 2 inches (45 mm) nominal |
Weight | 0.6 lbs (280g) max |
Mounting Holes | 4 x 0.23 inches 100º csk on 2.44 inches PCD |
Finish
- Urethane Lusterless Black
- Other finish options are available.
- Please specify finish required when ordering.
Datasheet: