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Delivering Capacity, Low Latency and Low Jitter

October 2007. Delivering Capacity, Low Latency and Low Jitter. Jim Freeze, SVP Marketing & Alliances. BelAir Networks. Private technology company funded by leading VCs, mobile and cable operators Single Focus Mobile Broadband Multi-Service Mesh Networks Field-Proven Performance

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Delivering Capacity, Low Latency and Low Jitter

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  1. October 2007 Delivering Capacity, Low Latency and Low Jitter Jim Freeze, SVP Marketing & Alliances

  2. BelAir Networks • Private technology company funded by leading VCs, mobile and cable operators • Single Focus • Mobile Broadband Multi-Service Mesh Networks • Field-Proven Performance • Deployed in over 300 installations • Customers in North America, Asia, Europe, Latin America • Comprehensive product family • Multi, dual, & single radio platforms supporting Wi-Fi, Public Safety, WiMAX • Industry-leading performance and scalability • Designed to deliver carrier-class capacity and reliability • The only solution optimized for carrier-grade voice services BELAIR NETWORKS CONFIDENTIAL

  3. Key Requirements In Identifying The Right Technology for Public Safety Metro-scale Networks • Mobility • Do NOT assume that mobility is enabled • Will voice calls & VPN seamlessly hand-off between WiFi APs • Broadband • Do NOT settle for “wireless dial-up” • Deliver true broadband today and plan to scale • Multi-service • It’s NOT just about WiFi! • What about 4.9GHz Public Safety? What about WiMAX? • Mesh • Proven mesh backhaul – capacity on demand • Reliable, low latency, support for high quality video/voice BELAIR NETWORKS CONFIDENTIAL

  4. All Meshes Are Not Created Equal - Shared Mesh Wireless Access & Backhaul “Shared Mesh” Multipoint-to-Multipoint Links All radio nodes and all devices communicate on the same frequency and same channel in a hub-like broadcast fashion. • What Does a Shared Mesh Deliver: • Limited capacity – shared bandwidth • High, unpredictable latency, jitter • Very limited scaleability • Highly unpredictable performance • No ability to support Video or VoIP Wire Ethernet Access BELAIR NETWORKS CONFIDENTIAL

  5. Only With BelAir: Modular & Upgradeable Platform Architecture • One to Six BelAir-designed Radios • Fully modular universal radio and network interfaces • Licensed and Unlicensed Frequencies • Carrier Network Interfaces • Sophisticated Layer 2/3 Switch Router • Carrier-Grade Reliability and Performance • Industry’s Best Warranty & only RoHS compliant products Integrated Antennas for access and backhaul Modular Radios IP backbone for card interconnect Integrated Switch & Router Line interface Outdoor Chassis Integrated Power BELAIR NETWORKS CONFIDENTIAL

  6. Switched Mesh – Only With BelAir! Access Control Deny Port Packet Classification Permit Switch-like Performance Contain VLAN Class of Service Device • Point-to-Point Link • Isolated Channel • 25 Mbps Belair OS Priority/QoS Rate Limit User • Point-to-Point Link • Isolated Channel • 25 Mbps • Benefits of Switched Mesh Backhaul • Exceptionally low latency • High capacity, scaleability • Predictable performance • Redundancy & resiliency • Point-to-Point Link • Isolated Channel • 25 Mbps • Point-to-Point Link • Isolated Channel • 25 Mbps PATENTED BELAIR NETWORKS CONFIDENTIAL

  7. Only BelAir’s Switched Mesh Delivers Capacity and Low Latency ACCESS BACKHAUL CITY PERFORMANCE 5 Meg 200K BelAir delivers #1 performance – 5 times faster than 2nd place network! 95% coverage! Toronto, London, UK Raising the Performance Bar! Other vendors struggle to deliver true broadband performance! Phila., St. Cloud, & Anaheim X Madison, WI Santa Clara, CA X Tempe, AZ Source: Novarum testing, January 2007; independent testing of London, May 2007 BELAIR NETWORKS CONFIDENTIAL

  8. Thank You! BELAIR NETWORKS CONFIDENTIAL

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