HISTORIC LITTLE TOKYO IN DOWNTOWN LOS ANGELES GOES LIVE WITH COMMUNITY WI-FI MESH NETWORK FROM
PRO 911 SYSTEMS AND TROPOS NETWORKS

Provides Free Internet Access and Content Distribution to the Community

LOS ANGELES, CA - April 16, 2007 -- The Little Tokyo Service Center (LTSC), PRO 911 Systems and Tropos® Networks, the market leader for metro-scale wireless mesh network systems, will launch this Thursday, April 19, a community Wi-Fi mesh network providing free Internet access for residences, businesses and visitors in Little Tokyo, part of the Historic Core of downtown Los Angeles. The Wi-Fi mesh employs a solution from Tropos and PRO 911 Systems.

The Little Tokyo Wi-Fi community network was built by PRO 911 Systems and LTSC using the Tropos MetroMesh system with initial funding from the Community Redevelopment Agency of Los Angeles (CRA/LA). The network will provide the community with free Internet access where it has not been possible before, as well as a means for content distribution regarding news and programs benefiting the community. A number of select hot zones will be deployed in many of Little Tokyo's public spaces.

"This important community and economic development project will provide Internet access and training to local residents and small businesses, while giving tourists and other visitors further incentive to come to Little Tokyo," said Davis Park, Director of Community Technology Programs at the Little Tokyo Service Center. "But our wireless network also represents an important effort in promoting digital inclusion and providing to low-income residents the telecommunications access that many of us who are connected usually take for granted."

"One of the benefits of the Tropos MetroMesh system in a community deployment with limited funds is the ability to design a network that has maximum performance now and maximum flexibility for future expansion," said David Mitchell, president and CEO of PRO 911 Systems.

Little Tokyo is one of several areas of central Los Angeles' Historic Core undergoing redevelopment and one of the first community-based initiatives of the CRA/LA projects to go live with a community wireless network. After a six-month free network demonstration period, the LTSC will evaluate the usage of the network and determine next steps necessary to sustain the service. The Little Tokyo project comes on the heels of the City's recent announcement of plans for a citywide Wi-Fi network.

"Tropos MetroMesh systems provide cities and communities with affordable broadband access where it has not otherwise been possible," said Ron Sege, president and CEO of Tropos Networks. "In partnership with the Little Tokyo Service Center, PRO 911 Systems and the Community Redevelopment Agency of Los Angeles, we are pleased to provide such a valuable service to the community now and in the future as the network expands."

About Little Tokyo Service Center
LTSC, a social service and community economic development agency, has been "helping people and building community" for over 25 years. LTSC provides a wide range of services to the greater Los Angeles community, which include but are not limited to: emergency assistance, counseling & support groups, translation & transportation, low-income housing, childcare, information referral, crisis hotlines and much more. For more information, please contact Larry Katata at (213) 473-3030 or lkatata@ltsc.org.

About PRO 911 Systems
Since 1971 PRO 911 Systems has been designing, building and deploying municipal wireless networks for county agencies, law enforcement, fire authorities, WISP's, resorts, trailer parks and homeowner associations. Services and products offered include video surveillance, telemetry, automated meter reading, emergency medical services, voice over IP and the Internet. For more information, visit www.pro911systems.com.

About Tropos
Tropos® Networks is the market leader in delivering metro-scale wireless mesh network systems. Our systems have been selected to unwire more major league cities than all competitors combined and are installed in 30 countries. The patented Tropos MetroMeshT architecture delivers the ultimate scalability, high capacity at low cost and great user experience demanded by carriers, municipalities and network users. Our unique expertise includes high-performance mesh software development, mesh RF engineering, metro-scale network planning, deployment and optimization, and navigating the municipal approval process. Tropos Networks is headquartered in Sunnyvale, California. For more information, please visit www.tropos.com, call 408-331-6800 or write to info@tropos.com.

Tropos and PWRP are registered trademarks of Tropos Networks, Inc. Tropos Networks, MetroMesh, MetroMesh NG, AMCE, TMCX, SABRE, CMDP, MESM and Metro-Scale Mesh Networking Defined are trademarks of Tropos Networks, Inc. All other brand or product names are trademarks or registered trademarks of their respective holder(s).