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MIMO smart antennas boost .11n throughput

Posted: 17 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Wi-Fi? 802.11n? MIMO? Airgain? smart antennas?

Airgain Inc. extends the reach of draft 802.11n wireless devices with its first smart antennas for MIMO devicesthe MaxBeam65N and MaxBeam80N. Compatible with a variety of MIMO chipsets from leading manufacturers, these smart antennas double signal strength and receive sensitivity, dramatically increasing throughput over standard dipole antenna configurations in 802.11n router and gateway devices.

Increased signal strength
Combining multiple high-gain directional antenna elements and high isolation between each antenna beam, the new MIMO smart antennas increase the signal strength, range and throughput of 802.11n devices without increasing cost. With an embedded design and pretuned subsystem for easy integration inside routers and gateways, the MaxBeam65N and MaxBeam80N eliminate the need for multiple external antennas.

MaxBeam65N features four independent and highly directional antenna beams to accommodate two and four radio MIMO systems in 2x2 and 4x4 configurations. Designed to operate in the 2.4GHz band, it achieves peak gain of up to 6.5dBi. MaxBeam80N is a three antenna beam solution for three radio systems in 2x3 and 3x3 system configurations. It supports dual band transmission in either the 2.4GHz or 5.8GHz bands, providing peak gains of up to 6.0dBi and 8.0dBi, respectively. Both devices are compatible with existing draft-n systems and will support all future 802.11n standard applications.

Future rollouts
Samples of the MaxBeam65N and MaxBeam80N are available this month. Airgain's planned product rollouts for Q2 include dual-band MIMO antennas that will support simultaneous transmission of data at both 2.4GHz and 5.8GHz frequencies, replacing six ordinary dipole antennas with one small integrated antenna. Future designs will accommodate dual-band operation in the 4.9GHz and 5.25GHz frequencies.

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