Antenna Labs

In our antenna lab we have all the equipment necessary to conduct complex antenna development.

We have experience in developing and testing in products such as: mobile phones, GPS devices, bluetooth speakers, smartwatches, remote controls, smart home devices, lighting systems, medical devices and so on. We also have extensive experience in fitting high performing antennas into small and challenging form factors.

SFCs

SFCs, Scattered Field Chambers or Reverberation Chambers, are chambers are designed to create a large number of reflections, which is the opposite idea of an anechoic chamber.

The main principle of these chambers is to change the electromagnetic modes created in the chamber with a rotating stirrer and turntable. This makes it possible to calculate antenna efficiency, both in passive measurement and active measurement (TRP- Total Radiated Power)

We can perform constant-transmit measurements, passive efficiency and correlation measurements, along with active TX/RX measurements for Bluetooth, 2G/3G/4G. Measurement time is about 1-5 minutes per frequency, depending on the frequency and the required precision.

Currently we can perform SFC measurements in the frequency range from 600MHz to 8GHz. The size of the chamber is optimized for frequencies above 800MHz, so measurements between 600 MHz and 800 MHz are less accurate.

Head and hand phantoms can be put on the turntable next to the device under test if antenna measurements in various user positions are requested. It is also possible to perform data throughput measurements for different protocols.

NFC tester

This system can be used for NFC testing according to different standards, e.g. Visa, Mastercard, etc

R-Line

This small 3D chamber is used to measure harmonics. It has a small 3D positioner able to rotate a DUT (device under test). Unwanted emissions up to 13GHz can be measured here. We usually use this system for pre-compliance measurements before sending units for Type Approval.

SAR-system

Our Daisy-4 system is used for SAR measurements.

The bowl is filled with liquid simulating brain tissue; the radiating DUT (device under test) is mounted below the bowl containing the liquid at a predetermined distance to the surface. The robotic arm steers the probe while it is taking electric field intensity measurements in the liquid. This is how the SAR value is calculated.

This system can also be used for the RF part of HAC (Hearing Aid Compatibility) measurements, which is required for some mobile phones.

ETS-Lindgren Chamber (GPS chamber)

Our ETS-Lindgren chamber is currently used as a stand-alone GPS measurement tool. This chamber is a “roll over azimuth” type anechoic chamber.

Antenna Simulations

For antenna simulations, we use Microwave Studio from CST.

We have a cluster of four Z640 workstations equipped with powerful Quadro P6000 GPU accelerators from Nvidia - enabling advanced antenna simulations.

In addition, we can simulate antenna performance values, radiation patterns, the correlation for different user modes like:

  • In hand

  • Against head

  • Head and head

  • Browsing

What can we do for you?

We have the capability to develop antennas and measure every product that has an antenna. Which means products like mobile phones, Smart-TV’s, Wireless light-bulbs, Wi-Fi routers, Smart Watches and the list goes on.

If you are looking for a design house to help you connect your product, improve the performance of your product or simply do a quick update then click the learn more button at the end of the page.

Elin Jönsson