1. Wireless Mesh in Granbury, Texas A Case Study in Public/Private Partnerships in a Public Safety/Public Access Metro WIFI Network www.granbury.org

2. Topics For Discussion Where did we start from What needs and goals drove the project Cost/Benefit Model What equipment was procured How was it installed Public/Private partnership Purchase of the system by the City Redeployment after purchase Next Steps Questions www.granbury.org

3. Where did we start from No Technology Department prior to November 2002 $6000 Total Budget No staff “Worst Environment Imaginable” Internet access at one building via Cisco Aironet to Frontier ISDN at one building No WAN Network at all City Manager, Finance Director, and City Council bought into new technology plan www.granbury.org

4. What needs and goals drove the project Police Officer access to local databases from patrol vehicles Interoperable communications with other agencies Internet access to listserv groups for investigations Fire Department access to GIS Fire Department access to WISER Fire Department access to local database (Firehouse) City Inspector access to local database (PermitLV) Read electric and water meters from network Inexpensive Broadband access to citizens Tourist access to Broadband Ability to do remote live web casts Strategic plan to role out to adjoining Cities and Counties for complete interoperability www.granbury.org

5. Cost/Benefit Model $50,000/Sq. Mile for Tropos, Infrastructure, and end user hardware Approx. $4000 Deployment Cost 3 FTE * 1.5 hours * $20/hr * 3 shifts * 365 days. 1 st Yr. Estimated Savings $98,000 Intangible of having the officer on the street an additional 1.5 hours per shift per day. Ability to quickly solve crime on the street Meter Reading not factored in (100k/yr estimate) Inspectors not factored in City portion for network and services for 5 yrs $305,000 All employees granted free internet access Hard dollar cost Hard dollar savings Soft dollar benefits www.granbury.org

6. What equipment was procured 22 Toughbook 29’s and 6 Toughbook 50’s 10 Jotto Desk Car Mounts, 22 Toughbook Port Replicators, and 22 Lind Power Converters, 7 Gamber Johnson Truck Mounts 14 SMC High Power 802.11 B 200mw cards and 5db external antennas, 8 Delmarc 300mw cards and 8 - 3db Antenex external antennas 5 HP NX9010s purchased for inspectors 100 Tropos radios 19 Canopy 5.7 Backhauls Netmotion Software License Colubris Gateway Airpath Service Not included in the $305,000 cost Included in the $305,000 www.granbury.org

7. How was it installed www.granbury.org

8. How was it installed www.granbury.org Motorola 20 meg 5.7 backhaul City of Granbury 250’ Communication Tower

9. How was it installed www.granbury.org Motorola 20 meg 5.7 backhaul City of Granbury 165’ Cemetery Communication Tower

10. How was it installed www.granbury.org Motorola 5.7 AP Array City of Granbury 125’ South Water Tower

11. How was it installed www.granbury.org City of Granbury 45’ City Hall Communication Tower

12. How was it installed www.granbury.org TROPOS 5210 Radio Photocell power interface Motorola 5.7 SM Gateway

13. How was it installed www.granbury.org SMC External 7db antenna

14. How was it installed www.granbury.org Panasonic Toughbook 29 w/ WEB273 Port Replicator and Lind power Inverter Jotto No-Holes Mount SMC High Power 802.11B with external 7db antenna

15. How was it installed www.granbury.org Panasonic Toughbook 29 w/ touchscreen Gamber Johnson mount

16. How was it installed www.granbury.org 3db Antenex antenna

17. How was it installed www.granbury.org

18. How was it installed www.granbury.org Recently annexed and without coverage

19. How was it destroyed www.granbury.org

20. Public/Private Partnership Model Frontier Broadband was existing ISP for the city Also provided wireless wan equipment to connect campuses Needed mobile solution Narrowed Mobile WIFI search to Tropos solution August 04 Frontier to buy equipment, City provide mounting assets and manpower to mount equipment Pilot Project with TROPOS 5110 radios for approximately 60% City coverage launched November 2004 Contracted with Frontier to install, maintain, operate TROPOS network for $305,000 for five years without additional costs to the City. Began installation of TROPOS 5210 in October 05 January 06 identified areas with no coverage Began to see network degradation due to Canopy network changes www.granbury.org

21. Purchase of the system by the City City recognized a difference in priorities Initial $100,000 payment made, $205,000 payment pending upon system acceptance Lack of coverage areas given to ISP for resolution May 06 TROPOS system virtually unusable October 06 ended ISP use and went to independent T1 lines at all facilities December 06 began Negotiation with Frontier to purchase system February negotiated sale agreement with Frontier of the complete system purchase for $225,000. Transfer ownership of 110 TROPOS 5210’s, 9 TROPOS 5110’s, 18 Motorola 5.7 SMs, 8 Motorola 5.7 Aps, Colubris MSC5500 gateway, Airpath billing account. City would purchase additional 5.7 backhauls, additional 5.7 AP arrays, maintenance contract and management software from TROPOS all for an additional cost of 70,000. Add additional T1s at City Hall NOC www.granbury.org

22. Redeployment after purchase Only TROPOS traffic on backhauls Focus on minimizing number of hops from TROPOS units to backhauls (2 max) Minimize number of hops on backhauls to T1 access (1) Deploy AP arrays with expansion capabilities factored in Notify all customers of the change of ownership and the plan for the network changes Focus on customer service with commitment to contact customers with issues the same day 60 day redeployment schedule during which service was free of charge and saw customer usage peaked at 160. Go Live was June 1, 2007 Three rate plans going forward As of July 10, 2007 48 monthly customers and averaging 6 – 8 daily customers on the weekend Minimum speeds back to the NOC from vehicles averaging 1.8 Mbps with speeds as high a 4 Mbps www.granbury.org

23. Next steps Install TROPOS 3210’s in businesses Install TROPOS 4210’s in PD vehicles to expand mesh to non- deployed areas within recently annexed areas Tie Video Surveillance Systems into the mesh for public safety access in exchange for free service to the business owner Pursue partnering with County on expansion to high crime areas using mini cell architecture Begin advertising campaign to increase community awareness of the network and subscription rates Rollout laptops to Public Works department heads for access to InTouch CSRS Purchase Ruckus Wireless devices for use as CPE in customer premises Revise Subdivision Ordinances to require radio infrastructure deployment at the time of construction AMR implementation when we reach 75% radio read water meter install base www.granbury.org

24. Lessons Learned Availability of mounting assets are crucial for proper coverage Select a vendor based on real life system test results with an adequate size deployment Private partners need to be financially dependent on the success of the network with enough working capital for the long haul Regardless of who owns the network make sure the finance model works based on previous experience not first time try Define, define, define If public safety is going to use it its got to be easy to use and work every time Segregate mesh network from all other wireless networks For small networks (<1000), subscription revenues alone will not offset ongoing operational and support costs, but should it www.granbury.org

25. Questions tull@granbury.org 817-573-1114 X1150 817-408-7170 www.granbury.org