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7layers extends EMC Test Capabilities with new Full Anechoic Room

7layers Anechoic Room02 September 2015 - 7layers, a specialist in validating devices and services based on wireless connectivity, has extended its Radio/EMC test capabilities considerably by setting up a new Full Anechoic Room (FAR) in Germany. The new state of the art Full Anechoic Room, which has already been validated, shows excellent shielding and absorption values. This way test projects can run with extremely high accuracy and faster than ever before.

“Wireless connectivity is a pre-condition of the Internet of Things (IoT) and the Smart Services it offers”, explains Marco Kullik, Manager Radio & EMC Testing at 7layers. “To keep up with this trend, more and more devices with integrated wireless connectivity are coming to market. By integrating connectivity these devices become radio-devices, which have to fulfill radio specific rules & regulations before entering the market. The larger the number of such devices entering the market, the bigger the danger that amongst them there are some that do not send out radio waves according to their specifications, or do interfere with other devices, or do not effectively use the allocated spectrum. This is why electromagnetic compatibility and Radio Spectrum Matters (ERM) is a core capability of radio devices, and this is why regulatory bodies all over the world keep a particularly strict eye on it.”

Covered Frequency Ranges

7layers 3 m Full Anechoic Room covers a frequency range from 30 MHz to 40 GHz , thus being in accordance with the latest international, EU and US standards for EMC testing and validation. The Radio/EMC chamber is fitted out with both ferrite absorber tiles, which provide especially good absorption capabilities in the lower frequency range and most modern pyramid absorbers with excellent absorption rates in the range between 1 GHz to 40 GHz.

The new anechoic chamber is suitable for devices working in the 2,4 GHz frequency band, which is used by many WLAN, ZigBee and Bluetooth devices, and for devices working in the 5 GHz frequency band (e.g. WLAN 5 GHz). The 5 GHz frequency band is increasingly popular for devices with integrated WLAN technology, as it provides additional bandwidth and carries more non-overlapping channels than the 2.4 GHz band. Due to the larger frequency range, bigger channel bandwidth are possible, which allow significant higher data rates. This is e.g. used by the new WLAN IEEE 802.11 ac standard.

In addition to the new, full anechoic chamber, the 7layers lab in Ratingen features a semi anechoic chamber for emission measurements according to current and upcoming EMC and Radio/EMC standards.

www.7layers.com/



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