Background and Product Overview Connecting The World

2 Introduction Airspan has recently announced the acquisition of Radionet What does Radionet bring to Airspan? –Ability to provide WiFi based solutions Backhaul applications – a lower cost alternative to IP Only AS3030 ptp solution Outdoor WiFi Hotzones –We see the future of broadband access being networks with a mix of WiMAX and WiFi –This is driven by the possibilities of adding vertical applications by leveraging multiple interfaces on client devices – eg. VoIP, FMC Specialist Applications –Heavy industrial –Connectivity to Urban Rapid Transportation Systems (Metros) WiFi solutions will co-exist in a network using all Airspan’s current access technologies (ASWipLL, AS4020, Proximity, AS.MAX)

3 Product Set RadioNETs product line will be called: This consists of: Two Hardware Platforms NMS & Software Solutions FlexNET ViaNET ControlNET RoamNET CrossNET

4 Target Applications Overview AS.NET targets the following applications: Point to Point Backhaul –Low Cost single and full duplex (dual) IP backhaul 5.4/5.8GHz links –Repeater functionality within a backhaul network WiFi Hotzones –Outdoor WiFi (802.11a/b/g) Base Stations –Seamless handoff for standard WiFi clients (PDA’s, Laptops, Smart Phones etc.) –Used in conjunction with AS.MAX for Yozan like WiFi deployment with roaming Specialist Applications –Heavy Industrial Connectivity Applications (eg. Mining) –Connectivity to public transportation when out of UMTS coverage

5 Backhaul AS.NET FlexNET Hardware provides a complete backhaul solution –Provides Link & Repeater functionality from a single HW platform –64 OFDM NLOS Performance –Utilises License Exempt Spectrum Each FlexNET enclosure houses one or two radio units –Allows units to be configured for dual radio full duplex links Single links = 54Mbps (up to 30Mbps net) Dual links = 108Mbps (up to 60Mbps net) FlexNET 5.4/5.8GHz Link Repeater 5.4/5.8GHz Link

6 WiFi Hotzones AS.NET FlexNET Hardware with RoamNET Software provides a complete WiFi Hotzone solution –Provides Access & Backhaul from a single HW platform –Combined with WiMAX distribution for improved QoS FlexNET 5.4/5.8GHz Link WiMAX Distribution Repeater 5.4/5.8GHz Link a/b/g WiFi Hotzone RoamNET Providing handoff for WiFi devices ControlNET

7 Specialist Applications ViaNET is a heavy duty industrial hardware platform housing two WiFi a/b/g radio units ViaNET hardware is available in Access Point and Mobile Terminal (Client) versions Used in conjunction with CrossNET software, it provides the means for “make – before – break” connections to be made to a moving (60-80km/h) terminal device (eg. On a train) –Ideal solution for providing un-interrupted broadband connectivity to transportation systems which have predetermined routes and no access to other wireless networks (such as UMTS) – eg. Metro lines VoIP Services Streaming Video Time / constant connectivity critical security connections ViaNET

8 FlexNET stand alone deployable products Point-to-point links and repeater solution

9 FlexNET Link: Target applications Customer problem/need –Need backhaul for broadband access service –Expensive leased line costs –No wired line alternative (remote or difficult to reach areas) –No license (cannot use 3.5GHz or other licensed bands) –Network frequently changing, expanding (need to deploy quickly) –Redundancy, back-up Application –Backhaul to broadband access networks –Wi-Fi hotzone backhauls –Leased line replacement Target customers –ISP’s –Enterprises (linking up own facilities) Airspan USP –High data rates, long distances –Out of the box, quickly deployable solution –Proven, outdoor design

10 FlexNET Link: Key Selling Points FlexNET Link: Key Selling Points High throughput, effective data rates over 25 Mbps Very flexible –802.11a radio based outdoor ruggedised link router or bridge –Competing products are only typically L2 wireless bridges, do not support routing Competitive pricing –802.11a unlicensed standards-based solution, competitive pricing Advanced security –AES Encryption Reliability, highly robust and ruggedised solution –IP65 rated –-40° to +55°C Support for industry standard carrier grade topologies –With IP routing and OSPFv2 options, widely used today by ISP’s –Provides load balancing and redundancy Long range distances –FCC versions, up to 7-26 km –ETSI versions, up to 4-20 km –UK versions, up to 6-23 km

11 FlexNET Point-to-Point Link Configuration FlexNET Point-to-Point Link Configuration (RN700) Interfaces: –1 x IEEE a OFDM –1 x Ethernet Outdoor band or GHz Transmit power control (TPC) Dynamic Frequency Selection (DFS) (not in FCC model) Integrated antenna –Gain 20 dBi –Beam width 15 deg Configuration –Bridge mode –Router mode Security –VPN Passthrough, WPA-PSK(AES) –MAC address authentication Management –Web based (HTTP/HTTPS) –Encrypted (SSH2) command-line interface –Multiple administrative classes –SNMP v2c, MIB II Advanced Features –OSPF V2 Routing –Longlink configuration for links up to 25KM –Up and Down Bandwidth shaping per RN /5.8GHz Link

12 FlexNET: Link Repeater Configuration FlexNET: Link Repeater Configuration (RN800 or RN900 RN700 may be slaves to RN800 or 900) Interface: –2 x IEEE a OFDM –2 x Ethernet Outdoor band or GHz Transmit power control (TPC) Dynamic Frequency Selection (DFS) External antennas –two N-connectors Configuration –Bridge mode –Router mode Security –VPN Passthrough, WPA-PSK(AES) –MAC address authentication Management –Web based (HTTP/HTTPS) –Encrypted (SSH2) command-line interface –Multiple administrative classes –SNMP v2c, MIB II Advance Features –OSPF V2 Routing –Longlink configuration for links up to 25KM 5.4/5.8GHz Link Repeater 5.4/5.8GHz Link

13 Links: Selling against competitors Airspan AS 3030 PMP –Bridge mode only products, does not support routing -Limited services, Low capacity, focused on E1/T1 service driven IDU/ODU architecture -Only 1 radio, no support for dual link features –No support for redundancy, load-balancing –Several products, dedicated for base station and CPE sides Cisco 1400 wireless bridge –Bridge mode only products, does not support routing –Only 1 radio, no support for dual link features –FCC only, not an ETSI version –No support for redundancy, load-balancing –Several products, dedicated for base station and CPE sides Proxim Tsunami.MP11 –Only 1 radio, no support for dual link features –No support for redundancy, load-balancing –Limited range max 5 km (ETSI)

14 FlexNET with RoamNET Wi-Fi Hotzone system

15 Target applications Customer problem/need –No mobility: desire to offer mobile services –Desire to offer multiple city-wide services over single network (fixed and mobile) Application –broadband internet access, public safety, surveillance, CCTV, VPN, VoIP Target market & customers –all municipalities and towns world-wide –ISP’s –TAM estimated at €2billion by 2008 Airspan USP –Combined WiMAX/Wi-Fi offer - one stop shop for complete system –proven in deploying carrier-class hotzones –Management and roaming system

16 Hotzone System Components FlexNET Base Station –Enables 2.4Ghz & 5GHz client access –Sectorized system for greater coverage & capacity –Is a full router, eliminates multi-cast issues FlexNET Link Router/Bridge (optional) –5GHz a based –Point to Point or repeater –Interconnects base stations –ETSI & FCC certifications ControlNET with RoamNET s/w –Provides network management and control –MAC address authentication –IP Roaming –Bandwidth management Antenna’s & Accessories –Specialized, optimized sector & Link antenna’s –Integrated antenna for 5GHz Back-up Link

17 FlexNET Base Stations (RN900/810/820) IP routers, routed network topology Ruggedized for ourdoor use –-40 to +50°C, industrial grade components Dual band IEEE a/b/g radios –2 radios, 2*54 Mbps access capacity, 2.4 or 5GHz access, FCC or ETSI certified –2 Ethernet interfaces –Dual antenna N-connectors for external antenna choice Cell based network deployment –gradual scaling of networks Management –Web based (HTTP/HTTPS) –Encrypted (SSH2) command-line interface –Multiple administrative classes –SNMP v2c, MIB II Access Features –DHCP server and relay –Wi-Fi connection hand-over via RoamNET –Bandwidth management Works with ControlNET with RoamNET Option for combined FlexNET Link and Base Station in a single unit –One physical unit with all features of both products 5.4/5.8GHz Distribution a/b/g WiFi Hotzone RoamNET Providing handoff for WiFi devices ControlNET WiMAX Distribution

18 ControlNET Server with RoamNET Centralised network and subscriber management Element management & monitoring –Central information storage, system monitoring centre –Monitors Access Routers –Collects logs: Usage, capacity, status Bandwidth Management –Enables a specific bandwidth to be provided on a per user basis –Can define up and downlink speeds separately –Bandwidth level follows user as he roams User authentication –User is authenticated via MAC address –Defined User name and password RoamNET mobility protocol –Enable seamless mobility between Access Routers –Patented RoamNET IP local mobility protocol –Users can move from access router to another without needing to reconfigure –No special software needed on client Guest Access Services –Reroute to external server Optional high availability version –Enables hot stand-by with automatic fail-over Linux based server

19 Selling against competitors: Hotzones Tropos Networks –No support for 5 GHz –Single radio for access/link –Omni antenna based network solution, not a cellular/sector based network –Not as scalable as routed/sector based network design –Proprietary Mesh protocol, not fully interoperable Cisco Mesh solution Aironet 1500 –Omni antenna based network solution, not a cellular/sector based network –Proprietary NMS –Only bridging based approach, not similarly scalable as routed network RoamAD –Partial solution, not designed for outdoor with complete components, power supplies etc. –Not ruggedised HW for wide temperature areas –Only with external antennas, complex deployment –Only bridging based approach, not similarly scalable as routed network Strix Systems –Only bridging based approach, not similarly scalable as routed network –No IP subnet roaming –Expensive, 4-6 radio design –High power consumption

20 Just to summarise! ProductUse Frequency Supported No. of Radio Units Antenna Int/Ext No. of external antenna connectorsSuitable antenna types No. of ethernet interfaces RN-700Link Only5Ghz1Internal- - 1 RN-800Link Only5GHz2External2 5GHz Link or Access 2 RN-810 Access Only2.4GHz2External2 2,4GHz Access 2 RN-820 Access Only 2,4GHz 5GHz 2External2 2,4GHz/5GHz Access 2 RN-900 Access or Link2,4GHz 5GHz2 Internal and External2 2,4GHz/5GHz Link or Access2

21 ViaNET with CrossNET Public Transportation, Urban Transit & Heavy Industry Applications

22 ViaNET: Target Applications Customer problem/need –Need to put time critical applications inside vehicle while moving –Need to improve security and surveillance on public transportation –Provide connectivity to train passengers, transit systems metros etc. –Heavy duty design requirements, robust solution Applications –Automation –Real time video streaming –Security and surveillance –Voice support Target markets & customers –Metros, subways, buses –Underground mines Airspan USP –Zero-Delay application data stream throughput –Highly reliable, fault tolerant hand-over –Very rugged system (client & infrastructure), IP 66 Training 2006\Training 12_2005and1_2006\T50 short edit_with music.wmv

23 Key selling points Unique specialised system for time critical applications –No known direct competition Enables video streaming while vehicle is moving Proven - operational in 3 underground mines today –Providing communication system enabling full mining automation –Reached highest mining capacity when system was turned on Rugged hardware, designed for demanding environments CrossNET Server provides “make before break” to ensure continuous communications Complete stand-alone system: Mobile Terminal, Access Point and CrossNET Server ViaNET Access Point can also support standard Wi-Fi clients

24 ViaNET Mobile Terminal & Access Point Factory configured as Mobile Terminal or Access Point Reliability in demanding environments –Industrial grade components –Temperature range -40 to +70°C –Rust, chemical and waterproof –AP/MT casing protection class IP66 –Tolerating vibration & shocks “Make before break” hand-over features –Dual redundant data streams via 2 radios –Traffic prioritization –Predefined channel list to speed up handover –Background scanning to know which AP to move to next –Requires ViaNET Mobile Terminal, Access Point and CrossNET software Tested speeds up to 80km/hr Dual radio, dual ethernet 4 antenna connectors Rugged industrial grade antenna’s AP antenna 30° MT antenna 90° Training 2006\Training 12_2005and1_2006\testink.mpeg

25 CrossNET Visualization MTS AP MT AP

26 ViaNET Customer: Helsinki Metro Pilot installation with Helsinki Metro –Customer considering data, automation and security applications 3 stations covered –Eastbound subway track approx. 4 kms The main application is CCTV –Videosteam from three CCTV cameras is transmitted from a subway car to the control room –Two cameras inside the car and one in the cockpit System –9 ViaNET AP’s along the track side –CrossNET Server in the control room –ViaNET Mobile Terminal on the subway car –The AP’s are connected by wired and wireless links to the CrossNET Server Preliminary Results –Speeds up to 80km/hr –System provides uninterrupted videosteam from each camera simultaneously –Excellent response times Training 2006\Training 12_2005and1_2006\metro_sornainen-hakaniemi.mpeg