TORONTO, Canada, September 11 /PRNewswire/ --

- Redline's RedMAX(TM) Family of WiMAX Forum Certified(R) Products Will
Provide IDNet Customers With Advanced Data and Internet Services

Redline Communications Group Inc. ("Redline") (TSX and AIM: RDL), a
leading provider of WiMAX and broadband wireless infrastructure products, and
IDNet, a leading Costa Rican wireless broadband services operator, today
announced that IDNet has deployed Redline's award-winning RedMAX(TM) family
of WiMAX Forum Certified(R) products, to provide enterprise and residential
customers with advanced internet and data services. The project represents
the first live private WiMAX network operating in the 3.3 GHz licensed
spectrum in Costa Rica.

IDNet chose Redline's RedMAX family of WiMAX Forum Certified(R) products
to enhance its current enterprise networks and provide value-added advanced
data, internet and application services to existing and new customers located
in areas that were previously difficult to service. RedMAX base stations have
been deployed in the urban areas of San Jose, Heredia, Alajuela, Cartago and
the rural areas of Liberia, Santa Cruz, Puntarenas, San Ramon, Ciudad
Quesada, Guapiles, Limon and Perez Zeledon. IDNet continues to roll out its
WiMAX network with the goal to provide services nation-wide by the end of
2008.

"I've worked with Redline's broadband wireless products for the past five
years for a range of applications. The positive experience and feedback from
our customers made it an easy choice to select Redline's RedMAX products for
IDNet's WiMAX network," said Juan Carlos Pacheco, CEO of IDNet. "Even under
extreme weather conditions and in remote areas of Costa Rica, Redline's
products prove to be reliable and continue to outperform and maintain
coverage and high speed connections."

"IDNet is helping organizations and individuals across Costa Rica enhance
the way they do business. Business users such as large Costa Rican banks and
popular vacation resorts will now be able to enjoy new levels of high speed
internet services," said Chris Koeneman, Vice President of Worldwide Sales,
Redline Communications.

Redline's RedMAX(TM) Family

Redline's RedMAX(TM) family of WiMAX solutions includes the world's first
complete system to receive the WiMAX Forum Certified(TM) mark for conformance
to the WiMAX standards for performance and interoperability. Redline's
carrier-class RedMAX(TM) Base Station (AN-100U) supports voice, video, and
prioritized data traffic, enabling long-range, high-capacity wireless
broadband networks. Redline's WiMAX products also include the RedMAX(TM)
Indoor Subscriber Unit (SU-I) and Outdoor Subscriber Unit (SU-O) designed for
enterprise and residential services. The RedMAX(TM) Management Suite enables
operators to monitor and control the network, ensuring high service
availability. Redline is maintaining its WiMAX leadership with the expansion
of its RedMAX(TM) family to include products for additional frequency bands,
applications and standards.

RedMAX 4C(TM) Mobile WiMAX

The RedMAX 4C(TM), which is based on the WiMAX industry's 802.16e-2005
standards for mobile WiMAX, supports a wide range of fixed, portable and
mobile wireless services including support Voice and Video over IP, broadband
Internet access used to support highly valued education, medical,
transportation and municipal applications, VPNs (Virtual Private Networks)
and other advanced communications services. The RedMAX 4C(TM) Mobile WiMAX
platform is designed to enable operators to maximize the reach and customer
density required for a profitable carrier business model. The RedMAX 4C(TM)
includes a modular, standardized (micro)TCA (micro Telecommunications
Computing Architecture) chassis base station that is small, lightweight and
easy to deploy. RedMAX 4C(TM) will also include a suite of indoor and outdoor
fixed and portable end-user devices including laptops, mobile handsets and
PDAs. Redline's new WiMAX offering is also designed to facilitate the
integration of its existing RedMAX(TM) products with its RedMAX 4C(TM)
technologies, providing operators a path to true mobility.

About IDNet S.A.

IDNet S.A. (www.idnetcr.com) was founded in 1999. The company specializes
in delivering broadband wireless services and high speed connectivity to the
public and private sector. In Q4 of 2006, the company installed its first
WiMAX network in Costa Rica and in Q1 of 2007, IDNet has deployed a network
to offer services extending to various regions in the country. Prior to
founding IDNet, the founders had used Redline's RedCONNEX AN50e for
backhauling services across Costa Rica for many years.

About Redline Communications

Redline Communications ( www.redlinecommunications.com) is the leading
provider of fixed and mobile standards-based wireless broadband solutions.
Redline's RedMAX(TM) WiMAX Forum Certified(TM) system, RedMAX 4C Mobile
WiMAX(TM) products, and its award-winning RedCONNEX(TM) and RedACCESS(TM)
families of broadband wireless infrastructure products enable service
providers and other network operators to cost-effectively deliver
high-bandwidth services, including voice, video and data communications.
Redline is committed to maintaining its wireless industry leadership with the
continued development of WiMAX and other advanced wireless broadband
products. With more than 100,000 installations in 85 countries, and a global
network of over 170 partners, Redline's experience and expertise helps
service providers, enterprises and government organizations roll out wireless
broadband networks to support advanced communications.

NOTE: All registered and unregistered trademarks mentioned in this
release are the property of their respective owners.

Certain statements in this release constitute forward-looking statements
or forward-looking information within the meaning of applicable securities
laws and are made pursuant to the "safe harbour" provisions of such laws.
Statements related to potential benefits of, and demand for, Redline's
products including statements with respect to the features and benefits that
may be achieved through the use of Redline's products and the relative
position of these products vis-à-vis competitive offerings in the industry
are forward-looking statements which are subject to certain assumptions,
risks and uncertainties. These risks and uncertainties include such factors
as rapid technological changes, long uncertain sales cycles, demand for our
products, the introduction of competing technologies, meeting industry
standards, regulatory risk, dependent on key partners and resellers and other
similar factors that may cause the actual results, performance or
achievements of Redline to differ materially from the results, performance,
achievements or developments expressed or implied by such forward-looking
statements. Readers are cautioned not to place undue reliance on such
statements. Redline assumes no obligation to update or revise any
forward-looking statements, whether as a result of new information, future
events or otherwise.

For further information: Redline Communications, Carolyn Anderson,
Chantelle Bani, canderson@redlinecommunications.com,
cbani@redlinecommunications.com, Tel: +1-905-479-8344; Canaccord Adams, Neil
Johnson, Andrew Chubb, Tel: +44(0)20-7050-6500; IDNet S.A, Juan Carlos
Pacheco, jcpacheco@idnetcr.com, Tel: +1-506-2453-3434; Equicom Group, Craig
Armitage, Vanessa Beresford, carmitage@equicomgroup.com,
vberesford@equicomgroup.com, Tel: +1-416-815-0700