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Manufacturing/Packaging??

Plastic enclosures may impede Bluetooth signals

Posted: 04 Jul 2002 ?? ?Print Version ?Bookmark and Share

Keywords:Flomerics? simulation tool? Bluetooth signal? software? enclosure?

Flomerics Ltd, a provider of simulation tools and services, says serious problems could arise with enclosures used to house Bluetooth units.

Research by the company indicates that the placement of a Bluetooth antenna next to a plastic enclosure could impede the antenna's RF signal by as much as 37.5 percent, enough to shift the broadcast signal to 2.159GHz, which is out of the official Bluetooth frequency range of 2.4GHz-to-2.4835GHz.

"The magnitude of the changes in signal characteristics brought about by simply installing the antenna in a more realistic setting is huge," said David Johns, vice president of electromagnetic engineering for Flomerics.

The company carried out the research using its Microstrip V6.0 EM modelling software.

? Sara Sowah

EE Times





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