AMT Microwave Spiral Antennas

Spiral Antennas

AMT offers a wide range of wide band spiral antenna elements and assemblies. Our cavity backed antennas are available in a range of frequencies with focus on 0.5 - 40 GHz. Most of these Spiral Antenna assemblies are offered in amplitude and/or phase matched sets. Efficient design allows for compact sizes and many different mechanical configurations that allow our Spiral Antenna assemblies to be placed on a variety of platforms including military aircraft, marine platforms, and civilian applications.

We are updating our datasheets and tables and they will shortly be available on this site.

Part No. Freq
(GHz)
Polarization Gain
(dBiC)
BW Az x El
(deg)
VSWR
(max)
Input View Product
data sheet
Download
3D model
21520-01 0.5 - 2.0 LHC -4 to 6 80 2.0 : 1 SMA spiral antenna 21520
21540-01 0.5 - 2.0 LHC -4 to 6 80 2.0 : 1 SMA spiral antenna 21540
21320-01 1 - 2.0 LHC 4.5 to 7 80 2.2 : 1 TNC
20270 2.0 - 18.0 LHC -3 to 2 80 2.0 : 1 SMA spiral antenna 20270
40280-4 2.0 - 6.0 LHC -5 to 2 70 2.5 : 1 SMA spiral antenna 40280
42340-1 6.0 - 18.0 LHC 2 to 4 70 2.5 : 1 SMA spiral antenna 40280
21400-1 8.0 - 18.0 LHC 1 to 3 80 1.9 : 1 SMA spiral antenna 21400