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Nov 02, 2011
WiSpry’s New Antenna Tuner Enables Small Antennas to Deliver High Speed Connections across Worldwide Frequency Bands
The new WS2018 combines industry’s smallest form factor with the ultimate RF performance

IRVINE, Calif., November 2, 2011—WiSpry, Inc., the leader in tunable radio frequency (RF) semiconductor products for the wireless industry, today introduced its WS2018 Antenna Tuner – the industry’s lowest current consumption antenna tuner. The single-chip design WS2018 sits in the RF signal chain between the antenna and the front-end module of a mobile phone and provides superior transmit and receive chain impedance optimization over the full 824 MHz – 2170 MHz Global mobile frequency range.

WiSpry’s innovative digitally tunable capacitor technology enables a completely new type of RF matching component that combines excellent RF performance with versatile digital control of the capacitance values. The WS2018 can be quickly re-programmed to compensate for antenna source impedance changes due to the need to operate over different frequency bands as well as to compensate for antenna load changes that are caused by hand, head and other body effects.

The digitally programmable capacitive elements implemented in WiSpry’s WS2018 are controlled by the modem via a MIPI Alliance RFFE or SPI serial interface, and make the WS2018 compatible with all popular Smartphone chipsets and modems.

“Our new WS2018 antenna tuner combines the industry’s best RF performance with the smallest form factor and the ability to tune any phase, any VSWR for 2G, 3G and LTE frequency bands,” said Victor Steel, VP of Products of WiSpry. “Our latest offering enables smaller antennas to deliver the high quality reception performance that today’s Smartphone users demand. We have also integrated the widely adopted MIPI RFFE interface, making this tuner plug-and-play compatible with all major Smartphone chipset vendors.”

The ultra low power WS2018 can be driven by an existing single supply rail such as an LDO regulator output or directly from the battery supply. The charge pump, serial bus and driver circuits are all fully integrated on the same CMOS die as the MEMS capacitor elements, making the WS2018 a true single chip solution for antenna impedance matching.

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About WiSpry

Headquartered in Irvine, Calif., WiSpry is a fabless RF semiconductor company that designs and manufactures RF-CMOS integrated circuits and components for leading manufacturers of mobile phones, laptops and wireless data communications products. Utilizing the Company’s core competency in RF micro-electro-mechanical systems (RF-MEMS) technology, WiSpry creates revolutionary wireless ‘System on Chip’ MEMS-based RF architectures, and has recently begun shipping products to several Tier 1 mobile handset manufacturers. WiSpry tunable RF-MEMS devices enable the development of reconfigurable RF front-ends, allowing system designers to achieve the architectural innovation required to meet the growing challenges of mobile communications networks. For more information, visit

About MIPI Alliance MIPI Alliance is a global, collaborative organization comprised of companies that span the mobile ecosystem and are committed to defining and promoting interface specifications for mobile devices. MIPI Specifications establish standards for hardware and software interfaces which drive new technology and enable faster deployment of new features and services. For more information on MIPI Alliance and the RFFE standard, visit

MIPI® Alliance is a registered mark of MIPI Alliance, Inc.