17 Dec 2018

Wi-Fi flexible antenna series launched for compact devices

Molex, a global provider of electronic solutions, has announced its Wi-Fi flexible antenna series, designed for fast and easy integration into wireless devices with minimal implementation cost.

The 206994-series side-fed cable-flexible antenna enables high-performance RF transmission for the most demanding Wi-Fi applications, including those with space constraints.

"The design constraints imposed by today's miniaturized devices are a huge challenge, but it's not simply a question of board and casing real estate," said Bob Wang, product manager, Molex Shanghai. "These days a smartphone or tablet can pack several radios, while using sophisticated techniques such as frequency hopping, spread-spectrum and OFDM modulation. Meanwhile the 2.4- and 5.0-GHz unlicensed bands are increasingly crowded. The demand for expertly designed and precision-manufactured antennas has never been greater, and Molex is here to answer that challenge."

When center-fed cable antennas do not address the needs of particular applications, side-fed cable antenna designs are required and, to answer market demand, Molex has developed two side-fed cable antenna versions: the 206994-series monopole and the 204281-series dipole-style side-fed flex antennas. The 206994-series monopole addresses the requirements of small-size devices, while the 204281-series dipole supports applications that need fully balanced transmission and ground-plane independence regardless of cable length.

A highly compact Wi-Fi flexible antenna, measuring only 15.0mm x 6.0mm in order to fit within today’s space constraints, the 206994-series antenna is a new offering from Molex. This antenna is not only highly compact, but also offers high RF performance of >70% radiation efficiency and return loss of <-10 dB. As a result, this antenna is ideal for space-constrained applications that need gain values of at least 3.6 dBi.

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