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Spiral Antennas
AMT offers a wide range of broad band spiral antenna elements and assemblies. Our cavity backed systems are available in a range of frequencies and our main area of expertise is in the frequency band of 0.5 - 18 GHz. Antenna assemblies are offered in amplitude and/or phase matched sets. Low VSWR to maximize performance. Efficient design allows for compact sizes that allow our antenna assemblies to be placed on a variety of platforms including military aircraft and munitions, marine platforms, and civilian applications. Click on the part number for a datasheet for each antenna.
| Part No. |
Freq (GHz) |
Polarization |
Gain dBiC |
Beamwidth |
VSWR |
Input |
| 21400-01 |
8.0 - 18.0 |
LHC |
1.0 to 3.0 |
80 |
1.9 : 1 |
SMA |
| 21320-1 |
1.0 -2.0 |
LHC |
4.5 to 7.0 |
80 |
2.2 : 1 |
TNC |
| 20270 |
2.0 -18.0 |
LHC |
-5.5 to -1 (dBiL) |
80 |
2.0 : 1 |
SMA |
| 40280-04 |
2.0 -6.0 |
LHC |
-5 to 2 |
70 |
2.5 : 1 |
SMA |
| 42340-01 |
6.0 - 18.0 |
LHC |
2 to 4 |
70 |
2.5 : 1 |
SMA |
These are just a few examples of our many spiral antennas. Contact us for more specific needs.
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