Synopsis.
The linear polarized standard gain horn antenna model HA 9251-48 is a horn antenna manufactured by Schwarzbeck, Germany and authorized for sale by EUTTEST in Shenzhen, China. EMC testers can use this antenna with coaxial connectors (N or SC connectors of their choice) for high power inputs in the frequency range of 4GHz to 8GHz. This antenna is designed to generate high field strength at a distance of 1 meter.
Technical parameters:
<<<<提醒:左右滑动表格>>>>Model number | HA 9251-48 |
producers | Schwarzbeck |
agent | EUT TEST |
Typical frequency range | 4-8 GHz |
Available frequency range | 3.7-8.5 GHz |
gain | 17-21dBi |
radiance factor | 25-28dB/m |
VSWR | <1.5 |
connector | N, SC Optional |
Maximum input power (continuous wave) | 1kW (4GHz); 0.5kW (8GHz). |
Maximum peak input power | 5kW |
size | 492*164*224cm |
weight | 1.6 kg |
Electric field strength at 1 meter test distance:
We recommend that you use the HA9251-48 antenna to test the radiated immunity at a test position 1 meter away from the DUT, for other test distances you will need to recalibrate or contact us for more information.

Plot of input power versus generated electric field strength
Other optional antenna products of the same sequence:
This antenna is one of Schwarzbeck's HA 9251 serial horn antennas. If this antenna does not meet your requirements, we offer the following antennas as options:
- HA 9251-12 Test frequency 1 GHz - 2 GHz.
- HA 9251-24 Test frequency 2 GHz - 4 GHz.