PROXIM SHIPPING THE INDUSTRY'S FIRST PCMCIA WIRELESS LAN ADAPTER

RangeLAN/PCMCIA Provides Mobile Computer Users With Instant, Wireless LAN
Connection

MOUNTAIN VIEW, Calif., March 29, 1993 -- Proxim, Inc., a leading supplier
of wireless networking products, today announced that it has begun
shipping its RangeLAN/PCMCIA wireless LAN adapter.

RangeLAN/PCMCIA is the first wireless LAN adapter designed to fit the
specification of the TYPE II PCMCIA (Personal Computer Memory Card
International Association) I/O card sockets that are becoming increasingly
popular in new laptop, notebook and palmtop computers. According to
PCMCIA's forecasts, more than four million mobile PCs with integrated
PCMCIA slots will be shipped by 1995.

Providing a true wireless networking solution, RangeLAN/PCMCIA is the only
wireless LAN adapter that enables mobile computer users to communicate
with existing wired client/server networks or to instantly set up a
peer-to-peer LAN between mobile PCs. Proxim provides RangeLAN drivers for
most popular LAN operating systems including Novell NetWare 3x, NetWare
Lite and Microsoft Windows For Workgroups.

"The PCMCIA slot offers today's serious mobile computer user the first
truly wireless LAN connection," said Rick Heller, president and CEO of
Proxim. "With RangeLAN/PCMCIA just about anyone can now gain convenient
wireless access to their server, desktop or another portable."

"We have used RangeLAN/PCMCIA to demonstrate the benefits of wireless
computing using Microsoft Windows For Workgroups and Microsoft Windows For
Pen Computing," said Richard Tong, director of Windows Marketing,
Microsoft Corporation. "We've been impressed with RangeLAN/PCMCIA and
believe it will play a key role in expanding the power and value of mobile
computing with Windows."

All RangeLAN wireless network adapters use spread spectrum radio frequency
technology that, unlike conventional radio frequencies, does not require
end-user Federal Communication Commission (FCC) licensing. It has an
in-building range of 300 to 500 feet and an 800 to 1,000 foot range
outdoors or in warehouse-type environments. RangeLAN provides users with
three full channels that effectively triple the available bandwidth. This
approach to wireless networking enables users to have three independent
wireless LANs in the same physical space and provides a significantly
higher interference immunity than other wireless technologies. In
addition, RangeLAN also features a highly reliable signal reception that
provides a consistent data rate over the entire range.

"Now, the portable computer user can function as part of a client/server
environment or communicate on a peer-to-peer basis with other computers
for critical applications such as E-mail, printer sharing, terminal
emulation, and file transfer without a wired connection," said David King,
Proxim's vice president of marketing. "RangeLAN/PCMCIA also provides new
networking solutions for vertical markets such as retail, medical and
manufacturing where the need for mobile computing is paramount."

Suggested retail price for RangeLAN/PCMCIA is $595. In addition, RangeLAN
adapters are available in several form factors including RangeLAN/ISA for
servers and desktop PCs, $495; RangeLAN/LT for Compaq notebooks, $595;
and, RangeLAN/Parallel, for connections to the printer port of any PC,
$595. RangeLAN/ISA for desktop PCs and servers began shipping in early
1992, with RangeLAN/LT for Compaq portables released in the summer of
1992. The products are available through resellers and VARs around the
country.

Headquartered in Mountain View, Calif., Program was founded in 1984 to
develop and market wireless networking products.

Proxim, 295 North Bernardo Ave, Mountain View, CA 94043
(415) 960-1630    Fax: (415) 964-5181

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