 The
WM640 is good news for forward-looking makers of
mobile devices, BTO/CTO (built-to-order/configured-to-order)
systems, and other products incorporating the new
PCI Express Mini Card interface.
Supporting both IEEE 802.11b and 802.11g in a
form factor half the size of a Mini PCI card —
less than half the size of a credit card — the
WM640 provides cost effectiveness, low power consumption,
and low heat dissipation. In compliance with the
PCI Express Mini Card 1.0 specification, the WM640
supports USB 2.0 signaling at up to 480 Mbps over
the Mini Card connection. An on-board I-PEX MHF-type
connector provides maximum flexibility in antenna
choice and location.
Despite its small size, the WM640 delivers full
IEEE 802.11b and 802.11g functionality, as well
as the advanced security and quality-of-service
(QoS) features of 802.11i, 802.1x, and 802.11e.
"Soft AP" support lets the user turn
the host device into an access point for other
wireless clients (so they can share a 3G connection
to the Internet, for example). The WM640 provides
plug-and-play wireless connectivity in the 2.4-GHz
band anywhere in the world.
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