Horn Antennas

COTS. Custom Designed. High-Gain. Wide-Band.

A wide range of COTS and custom designed, standard gain and high gain wide-band horn antennas, 170 MHz to 50 GHz, with typical gain values from 10 to 20 dBi. Higher gain horn antennas are also available typically >22 dBi.

Horn antennas are used in applications such as EW, SIGINT, test & measurement including EMC immunity and HiRF testing.

We can adapt existing or provide bespoke horn antennas to meet customer specific requirements, for example, waveguide-flanged and high-power transition.

Our COTS and customised horn antenna range incorporates wideband-octave and multi-octave dual polar and single polar horn antennas including pyramidal, rectangular, conical, corrugated, multi-mode, sectoral, single polarisation/double ridged, and dual polarisation/quad ridged. Our standard gain and high-gain wideband horn antennas range from 170 MHz to 50 GHz, with typical gain values from 10 to 20 dBi although we also design high gain antennas beyond this.

As with other Steatite products, bespoke designs or modifications may be accommodated.

Typical specifications – (DL = Dual Linearly Polarised & SL=Single Linearly Polarised)
*The list below is not exhaustive and different connector options may be available.

Frequency (GHz) WGWR QMS No. Catalogue Number Gain (dBi) Power c. w. (W) VSWR (Typical) *Connector
0.17 to 4.0  — QMS-00794 QWH-SL0.17-4-A-SG 3.6 to 15.9 1400 <1.5:1 7:16 DIN
0.37 to 0.47 00 / 2300 QMS-00062 QSH-SL-0.37-0.47-N-10 9.4 to 11.5 500 <1.6:1 N
0.40 to 1.6  — QWH-SL-0.4-1.6-N-SG-R 12.5 to 14.5 500 <1.7:1 N
0.50 to 0.75 2 / 1500 QMS-00064 QSH-SL-0.5-0.75-N-15 12.5 to 15.5 400 <1.5:1 N
0.50 to 2.0  — QMS-00054/55 QWH-SL-0.5-2-N-SG 7.4 to 14.5 250 <1.8:1 N
0.60 to 1.0 3 / 1150 QMS-00066 QSH-SL-0.6-1-N-10 7.7 to 12.2 400 <1.5:1 N
0.75 to 1.1 4 / 975 QMS-0068 QSH-SL-0.7-1.1-N-15 13.6 to 17.1 400 <1.6:1 N
0.90 to 1.4 5 / 770 QMS-00072 QSH-SL-0.9-1.4-N-20 18.0 to 22.0 400 <1.6:1 N
0.90 to 18.0  — QMS-00250 QWH-DL-0.9-18-S-SG-R 0.3 to 13.3 40 <2.5:1 x2 SMA
1.0 to 4.2  — QMS-00057 QWH-SL-1-4.2-A-HG 13.6 to 18.4 1200 <2.0:1 7:16
1.0 to 8.0  — QMS-00058 QWH-SL-1-8-B-SG 6.0 to 17.0 1500 <1.4:1 7/8
1.0 to 18.0  — QMS-00059 QWH-SL-1-18-S-SG-R 1.3 to 12.8 40 <2.0:1 SMA
1.1 to 1.7 6 / 650 QMS-00080 QSH-SL-1.1-1.7-N-20 18.8 to 21.7 300 <1.4:1 N
1.7 to 2.6 8 / 430 QMS-00342 QSH-SL-1.7-2.6-A-20 18.4 to 21.8 1800 <1.3:1 7/16
2.0 to 4.0  — QMS–00496 QWH-SL-2-4-C-SG-R 16.4 to 18.1 750 <1.6:1 SC
2.0 to 8.0  — QMS-00259 QWH-SL-2-8-N-SG-R 10.9 to 14.3 500 <1.5:1 N
2.0 to 18.0  — QMS-00473 QWH-DL-2-18-S-SG-R 3.9 to 15.9 40 <3.0:1 x2 SMA
2.0 to 18.0  — QMS-00001 QWH-SL-2-18-S-SG-R 5.0 to 12.0 20 <2.5:1 SMA
2.0 to 18.0  — QMS-00477 QWH-SL-2-18-S-HG-R 10.0 to 22.0 20 <2.5:1 SMA
2.0 to 18.0  — QMS-00002 QWH-SL-2-18-N-SG-R 5.0 to 12.0 50 <2.5:1 N
2.0 to 18.0  — QMS-00476 QWH-SL-2-18-N-HG-R 10.0 to 22.0 80 <2.5:1 N
2.0 to 18.0  — QMS-00474 QWH-DL-2-18-N-SG-R 10.0 to 22.0 40 <2.5:1 x2 N
2.0 to 18.0  — QMS-00447 QWH-DL-2-18-S-HG-R 10.0 to 22.0 40 <2.5:1 x2 SMA
2.2 to 3.3 9A / 340 QMS-00100 QSH-SL-2.2-3.3-N-20 18.6 to 21.6 200 <1.4:1 N
2.5 to 7.5 WRD250 QMS-00289 QWH-SL-2.5-7.5-F-SG-R 10.0 to 14.0 2000 <1.3:1 WRD250
2.6 to 4.0 10 / 284 QMS-00112 QSH-SL-2.6-4-N-20 18.0 to 21.0 200 <1.4:1 N
3.3 to 5.0 11A / 229 QMS-00118 QSH-SL-3-5-N-15 14.8 to 17.8 180 <1.4:1 N
3.9 to 5.9 12 / 187 QMS-00126 QSH-SL-4-6-N-20 18.0 to 21.0 200 <1.6:1 N
4.0 to 8.0 WRD350 QMS-00498 QWH-SL-4-8-F-HG 16.0 to 18.9 2000 <1.5:1 WRD350
4.9 to 7.1 13 / 159 QMS-00145 QSH-SL-5-7-N-20 18.0 to 21.0 60 <1.4:1 N
5.8 to 8.2  14 / 137 QMS-00154 QSH-SL-6-8-S-20-R 18.0 to 21.0 50 <1.6:1 SMA
6.5 to 18.0  WRD650 QMS-00827 QWH-SL-6.5-18-F-HG-R 18.5 to 21.9 4000 <1.3:1 WRD650
7.0 to 10.0  15 / 112 QMS-00165 QSH-SL-7-10-S-20-R 18.0 to 21.0 50 <1.4:1 SMA
7.5 to 18.0  WRD750 QMS-00932 QWH-SL-7.5-18-F-20 19.2 to 21.4 2000 <1.3:1 WRD750
8 to 12.5  – QMS-00171 QSH-SL-8-12-F-23 20.5 to 23.4 10 <1.15:1 UBR100 Waveguide Flange
8.2 to 12.4  16 / 90 QMS-00178 QSH-SL-8-12-N-20 18.2 to 21.5 100 <1.3:1 N
10.0 to 15.0 17 / 75 QMS-00195 QSH-SL-10-15-N-20 18.3 to 21.5 100 <1.4:1 N
12.4 to 18.0 18 / 62 QMS-0200 QSH-SL-12-18-F-20 18.0 to 21.0 1400 <1.15:1 UBR140
15.0 to 22.0 19 / 51 QMS-00219 QSH-SL-15-22-S-20-R 17.0 to 21.0 20 <1.6:1 SMA
18.0 to 26.5 20 / 42 QMS-00226 QSH-SL-18-26-S-20-R 18.0 to 20.9 20 <1.4:1 SMA
18.0 to 40.0 QMS-00361 QWH-SL-18-40-K-SG 12.3 to 14.8 20 <1.7:1 K
18.0 to 40.0  — QMS-00254 QWH-DL-18-40-K-SG-R 12.0 to 16.9 20 <2.5:1 x2 K
22.0 to 33.0 QMS-00073 QSH-SL-22-33-K-20-R
26.5 to 40.0 22 / 28 QMS-00238 QSH-SL-26.5-40-K-20 18.0 to 21.0 20 <1.2:1 K

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