FOR:  DRAGONWAVE INC.

AIM, TSX SYMBOL:  DWI

March 31, 2008

Dragonwave Expands Frequency Coverage to Support Carrier Ethernet Services in More Global Markets

Support for 6 to 8 GHz Frequencies Valuable for Wireless Backhaul in North American, European and
Equatorial Deployments

OTTAWA, CANADA--(Marketwire - March 31, 2008) - DragonWave Inc. (AIM:DWI)(TSX:DWI), a leading global
supplier of next-generation wireless networks, today announced that it has expanded its coverage to
include the 6 to 8 GHz range of licensed radio frequencies. This enhanced frequency coverage on the
Horizon Compact product dramatically improves DragonWave's relevance as a provider of wireless
backhaul solutions for a variety of geographic markets around the world.

"Mobile and fixed wireless services are reaching more and more areas of the world, and, as they do,
backhaul is emerging as a common source of bottlenecks," said Michael Kennedy, president, with Network
Strategy Partners. "Wireless Carrier Ethernet provides a simple and cost efficient solution to this
problem, and having frequency coverage from 6 to 38 GHz enables applications in a wide variety of
environments."

Carriers seek 6 to 8 GHz frequency coverage for backhauling wireless traffic in remote, rural areas or
in high rain regions such as equatorial zones because it enables interference-free transport over
longer distances. In North America the upcoming availability of 700 MHz spectrum for access coupled
with a Carrier Ethernet solution operating at 6 to 8 GHz frequencies delivers a compelling solution
for bridging the urban-rural digital divide.

"DragonWave's support of the 6 to 8 GHz range enhances our ability to offer cost-effective and high-
performance network solutions on a global basis," said Robert Dew, director, network engineering with
NextWave Broadband Inc., which partners with DragonWave to supply service providers worldwide with
fully integrated, end-to-end, mobile broadband and transport network solutions. "One of the main
reasons that this partnership is so successful is DragonWave's introduction of enhanced functionality
in close sync with the evolving needs of our customers."

The Horizon Compact-delivering 800 Mbps full duplex capacity-operates in licensed radio frequencies up
to 38 GHz. DragonWave is the only equipment provider supporting such a wide frequency band in an all-
outdoor configuration. DragonWave's Horizon Compact keeps a carrier's capital and operational
expenditures in check by integrating all of the necessary functionality of traditional wireless indoor
and outdoor units in a single, outdoor, 9-inch-square, native Gigabit Ethernet microwave transmission
system. Installation and other operational burdens are reduced, as the Horizon Compact demands no
footprint in indoor base-station cabinets and uses standard CAT5E cabling with Power over Ethernet.
Furthermore, the Horizon Compact enables "virtual integration" into DragonWave partners' equipment, as
it can be powered and managed directly via the base-station equipment without requiring the
development of new interfaces.

"Our move to support 6 to 8 GHz frequencies is another sign that Carrier Ethernet has moved beyond an
initial adoption stage," said Alan Solheim, vice president of product management at DragonWave.
"Carriers now need solutions tailored for deployments other than the high-density metropolitan areas
where services were first introduced. With many of our customers seeking to upgrade legacy equipment
to IP (Internet Protocol) in more areas of their service footprint, this made the time right to expand
our frequency coverage. And we will continue to do so, as necessitated by arising market
requirements."

The DragonWave solution offers a full suite of network-management options and supports 50 ms switching
and 99.999 percent service availability over point-to-point, ring and mesh network topologies. Horizon
Compact delivers industry-leading IP functionality including jumbo frames, 802.1 prioritization, flow
control and virtual local area network (VLAN) management-as well as fast modulation shifting,
integrated radio frequency (RF) loopback and Automatic Transmit Power Control.

About DragonWave

DragonWave(TM) is a leading provider of high-capacity wireless Ethernet equipment used in emerging IP
networks. DragonWave designs, develops, and markets carrier-grade microwave radio frequency networking
equipment that wirelessly transmit broadband voice, video and other data. DragonWave's wireless
Ethernet products, which are based on a native Ethernet platform, function as a wireless extension to
an existing fiber-optic core telecommunications network. The principal application for DragonWave's
products is the backhaul function in a wireless communications network. Additional applications for
DragonWave's products include point-to-point transport in private networks, including municipal and
enterprise networks. DragonWave's corporate headquarters is located in Ottawa, Ontario, with sales
locations in Europe, Middle East and North America. The company's Web site is
http://www.dragonwaveinc.com


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FOR FURTHER INFORMATION PLEASE CONTACT:

DragonWave Inc.
Nadine Kittle
Marketing Communications
613-599-9991 ext 2262
nkittle@dragonwaveinc.com
http://www.dragonwaveinc.com

OR

Canaccord Adams Limited
Andrew Chubb
44 20 7050 6500

OR

Interprose Public Relations
(for DragonWave)
Cathy Palmen
408-268-8112
cathy.palmen@interprosepr.com

OR

Weber Shandwick Financial
(for DragonWave)
John Moriarty
020 7067 0736
Mob: 07971 402224
jmoriarty@webershandwick.com

                                                                
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