A.H. Systems, inc. manufacturer of antennas for compliance testing

Happy Halloween
image courtesy of bestanimations

As the sky grows dark and the moon glows bright,
strange creatures and critters appear in the night,
as the goblins growl and the werewolves whine,
hope that Halloween sends a chill up your spine!


A.H. Systems has been established since 1974 and manufactures a complete line of affordable, reliable, EMI test equipment. Our individually calibrated EMI Test Antennas, Preamplifiers, Current Probes and Low-Loss Cables satisfy many test standards including CISPR, MIL-STD, FCC, EN, VDE, IEC and SAE.


We are also committed to providing all of our clients with no cost prompt and professional technical support. Manufacturing high quality products at competitive prices with immediate shipment plus prompt technical support are our goals to improve the quality of your testing requirements.


A.H. Systems antennas

Featured Resources


Biconical Antenna SelectionBiconical Antenna Selection
Field Intensity CalculationField Intensity Calculation
PAM-0118P PreamplifierMake Smart Use Of Preamps In RF Testing

Typical EMC FormulasTypical EMC Related Formulas
shielding effectiveness testingShielding Effectiveness Test Guide
VSWR ExplainedVSWR Explained

Need more information?

Have a question? Call us or send us an Email and we will answer your question. Not only have we been in business for over 35 years, but also have worldwide representatives in over 21 different countries. Need test equipment in Asia, Europe, or the Middle East? With A.H. Systems, it's never a problem. We are here to assist you with your EMC/EMI test antenna requirements.


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