Antenna beamwidth directly impacts RF testing accuracy by controlling signal coverage and directivity. Narrower beamwidth increases antenna gain and focus, while wider beamwidth improves coverage consistency across EMC and compliance testing environments. (read more)

For those who appreciate timeless sophistication, biconical antennas are the standard workhorse of anny EMC test for immuniity and emissionss testing. (read more)

Engineered for precision under pressure-robust, high- performance watches for the modern explorer. (read more)

Choose the right antenna for accurate, compliant testing. This guide helps match antenna types to standards like FCC and MIL/CISPR, covering frequency, polarization, gain, and environment. Get practical tips for lab and field use to ensure reliable results, reduce failures, and avoid costly redesigns. (read more)

Antenna beamwidth describes how radiated energy spreads by direction and distance, varying with antenna type, design, orientation, and frequency, and is essential for producing accurate, consistent, and repeatable testing results. (read more)

Optimize RF performance with our easy-to-use VSWR calculator. Instantly calculate return loss, mismatch loss, reflection coefficient and percentage loss — and adjust results to explore different scenarios (read more)

Digital processing chips are everywhere—from smartphones and appliances to MRI systems and industrial equipment. The rise of the Internet of Things has only increased the use of Wi-Fi, Bluetooth, and other high-frequency communications. With this growth comes a greater risk of electromagnetic interference (EMI), making interference testing essential for compliance and performance a... (read more)

VSWR (Voltage Standing Wave Ratio) measures signal mismatch in EMC testing. (read more)

dBm defined as power ratio in decibel (dB) referenced to one milliwatt (mW). It's an abbreviation for dB with respect to 1 mW and the "m" in dBm stands for milliwatt. (read more)

A portable and economical approach to having all the antennas required for most shielding effectiveness testing. (read more)

These Bilogical Antenna Kits provides an inexpensive solution to broadband applications. (read more)

This Standard Gain Horn Antenna will provide reliable, repeatable measurements. An ideal solution and a standard workhorse of any EMC test house for compliance testing (read more)

High gain, low VSWR, input handling capability up to 800 watts CW and rugged design make this DRG horn antenna excellent for both immunity and emissions testing. (read more)

When it comes to compliance testing, precision and reliability are paramount. Your mission is to ensure that products meet the highest industry standards, and you need tools that can keep up with the rigor of your work. Enter the ATU-514 non-magnetic and non-reflective tripod, your star companion in the world of compliance testing. (read more)

This Log Periodic Antenna will provide reliable, repeatable measurements. An ideal solution and a standard workhorse of any EMC test house for compliance testing. (read more)

• 10 KHz to 500 MHz
• pulse currents up to 100 amperes
• Individually Calibrated included
• Split Type Clamp-on Design
• Three Year Warranty

A brief overview on how to perform a standard Radiated Emissions Measurement test. It includes how to set up, take measurements and calculate results. (read more)

Complete frequency coverage squeezed into one suitcase and ready to go. (read more)

This 12" (30 cm) Passive Shielded Loop Antenna is an excellent solution for shielding effectiveness testing. (read more)

A.H. Systems' Passive Monopole Antenna provides superior performance in electric field measurements. The Passive Monopole Antenna is used for transmitting to perform shielding effectiveness and immunity testing. (read more)

The A.H. Systems AK-285R and AK-285T antenna kits includes all of the required antennas needed to perform shielding effectiveness. Each component has a specific storage compartment in the carrying case therefore, loss and breakage are virtually eliminated. (read more)

The A.H. Systems' Octave Horn Antennas is an octave bandwith pyamidal horn antenna that offers excellent half power performance. With low VSWR, high input handling capability and rugged design make this horn antenna excellent for both immunity and emissions testing. (read more)

A.H. Systems manufactures a wide variety of loop antennas in the frequency range of 20 Hz to 30 MHz that are primarily used to measure the magnetic field strength at lower frequencies. (read more)

An easy solution to increasing your dynamic range is with the use of a preamplifier. We offer many different models that cover a broad frequency rage. (read more)

With improved power handling, low VSWR, and high frequency capabilities, the Low-Loss cables can be made to your specified length and delivered in two days. (read more)

This Preamplifier will provide reliable, repeatable measurements. An ideal solution and a standard workhorse of any EMC test house for compliance testing. (read more)

There are a number of ways that mistakes with preamps in test configurations can lead to misleading or incorrect readings or even damaged equipment and unnecessary costs. With some attention and proper equipment matching, results will be accurate and useful, and expenses will remain at a minimum. (read more)

A low voltage indicator confidently allows you to power the amplifier with your own external 12-volt DC battery. This makes it a convenient choice for field measurements. (read more)

This small, lightweight and portable antenna provides a convenient solution for accurate gain measurements (read more)

A.H. Systems' Preamplifier line is an excellent choice with a rugged design, no hassles with soldering your own power leads, and they improve overall system sensitivity. (read more)

An antenna's antenna factor (AF) is a comparison between the field level presented to the antenna and the actual voltage produced by the antenna at it's connector. The antenna factor varies with frequency, that is for the same presented field strength, but at a different frequency, the voltage produced at the connector is not constant. (read more)

Almost every RF test setup requires connectors and cables. Connectors will influence test results in various and sometimes unpredictable ways. (read more)

For rapid deployment along with the mobility of a small package, this Bilogical Antenna Kit provides an inexpensive solution to broadband applications. (read more)

dBm is defined as power ratio in decibel (dB) referenced to one milliwatt (mW). It is an abbreviation for dB with respect to 1 mW and the "m" in dBm stands for milliwatt. (read more)

In recent years, the use of a term call "Antenna Factor" in EMC and spectrum pollution work has become very important. There has been a great need for measuring field intensity and/or power density as accurately and conveniently as possible. (read more)

Requesting a quote with A.H. Systems is easy. Find the antenna that fits your needs in as little as 10 minutes! (read more)

Finding an EMC antenna to meet standard requirements can be complicated. A lot of today's testing requirements involve high frequency tests, and you need an antenna that will get the job done without failure. Do you know how to choose the right antenna? (read more)

Constantly changing for today's dynamic environment, A.H. Systems presents the proven line of Antenna Kits. Designed to meet the needs of your various testing requirements. (read more)

Designed per the FCC specitications, this Tuned Dipole Antenna is ideal for broadcast field measurements. (read more)

For applications where high sensitivity is required, A.H. Systems set of H-Field Rods provides an accurate standard for magnetic field testing. (read more)

A.H. Systems' Active Monopole Antenna provides superior performance in electric field measurements. The Active Monopole Antenna can drive any receiver with 50 ohm input impedance and will perform FCC, MIL-STD and TEMPEST tests. The SAS-550-1B includes a battery pack and charger for open field test sites that may not have ready access to outlets. (read more)

There are a number of ways that mistakes with preamps in test configurations can lead to misleading or incorrect readings or even damaged equipment and unnecessary costs. With some attention and proper equipment matching, results will be accurate and useful, and expenses will remain at a minimum. (read more)

The A.H. Systems' Double Ridge Guide Horn Antenna is a broadband antenna that offers excellent performance over the frequency range of 700 MHz to 18.0 GHz. High gain, low VSWR, input handling capability up to 300 watts CW, and rugged design make this EMC horn antenna excellent for both immunity and emissions testing. (read more)

This Passive Loop Antenna is an electrostatic shielded loop antenna that minimizes the E-field response and is an excellent solution for low frequency magnetic field emissions and immunity testing in the frequency range of 9K Hz to 30 MHz. (read more)

Annual recalibration is important to ensure repeatable and reliable data. At our facility, we calibrate our own antennas, as well as, most other brand antennas in accordance with SAE, ANSI, IEEE and CISPR specifications. (read more)

High gain, low VSWR, input handling capability up to 800 watts CW, and rugged design make this horn antenna excellent for both immunity and emissions testing. (read more)

With a usable frequency range of 10 KHz to 152 MHz the BCP-611 monitoring current probe is a great measurement tool for MIL-STD, CISPR and many automotive specifications. The 1V/A flat response of this current probe makes it ideal for a 1:1 comparison for conducted emission measurement and troubleshooting applications. (read more)

While it is not neccessary before each test, these maintenance mesures go a long way. Not only will they keep critical features in working order, they can also help protect and extend the life of your antenna. (read more)

Most of are products are available for rent, please contact us for availability. (read more)

For over 40 years, we have proven to be a leading manufacturer of EMC test antennas and accessories. Our knowledgeable staff will work with you to provide the most complete antenna solution to fit your testing requirements. Our inventory is fully tested and inspected before leaving our facility. (read more)