Vsat day-2008-gilat

1. 1 Confidential and proprietary information New Products & Solutions SSPI Presentation May 27, 2008 Boundless Communications This presentation constitutes proprietary and confidential information of Gilat Satellite Networks Ltd. This presentation may not be disclosed, used or duplicated, in whole or in part, without the prior written consent of Gilat Satellite Networks Ltd.

2. 2 Confidential and proprietary information Leading VSAT provider 17% 83% 30% 70% International Rural Voice Solutions #1 Rural Voice Solutions since 1999 #1 international VSATs shipped (outside North America) * Based on Comsys 2007 VSAT report and Gilat estimates 16 Offices 85 Countries Over 670,000 VSATs 20 Years of Experience

3. 3 Confidential and proprietary information SkyEdge – Broadband, Rural Telephony, transaction-oriented SkyEdge II – High performance for broadband IP, voice and video Pre-packaged Integrated solutions WiMAX Cellular backhaul Business Continuity …… Products and SolutionsProductsSolutions DVB-RCS

4. 4 Confidential and proprietary information SkyEdge II Highlights Best Total Cost of Ownership Highest ModCods –16/32APSK, Inbound 8PSK Sophisticated Adaptive Inbound and Outbound Scalability Operation, maintenance, and reliability Best performance – Inbound up to 6.1Mbps, Outbound up to 135Mbps Leverages proven SkyEdge technology Standard-based system With enhanced functionality DVB-RCS

5. 5 Confidential and proprietary information SkyEdge II DVB-S2 ACM Enhancements Not all DVB-S2 implementations are equal .Gilat’s SkyEdge II is more efficient than usual competing DVB-S2 ACM schemes. This is due to the incorporation of the following enhancements : Support of a wide range of ModCods including 16APSK and 32APSK with predistortion where required Support for short and normal MPEG transport frames Efficient packing and Concatenation Advanced scheduling Network-wide Frame optimization

6. 6 Confidential and proprietary information Comparing Outbound technologies ACM+16/32 APSKSkyEdge II ACM8PSKDVB-S2 ACM CCM8PSKDVB-S2 CCMQPSKDVB-S ModeModulationSolution ~44% ~55%~25%

7. 7 Confidential and proprietary information SkyEdge II DVB-S2 ACM Outbound Modulation: QPSK, 8PSK, 16APSK, 32APSK Sophisticated predistortion CCM and ACM LDPC FEC and 0.2 roll off factor Very high capacity – 45 Msps > 135 Mbps With Predistortion Received phase and amplitude distortions introduced by satellite Q I Received phase and amplitude corrected by predistortion Q I

8. 8 Confidential and proprietary information Support short and normal DVB-S2 frames 2000 bytes (Short) or 8000 bytes (normal) ACM Optimization in SkyEdge II Efficient packing and Cross-frame Concatenation 100% Fill Factor DVB-S2 Frame 765 VSAT #134 VSAT #134 VSAT #490 VSAT #265 VSAT #345 DVB-S2 Frame 766 VSAT #134 VSAT #490 VSAT #265

9. 9 Confidential and proprietary information Support short and normal DVB-S2 frames Efficient packing and Cross-frame Concatenation Advanced Scheduling Favor real time applications Unicast #134 Unicast #768 VoIP 8PSK 7/8 QPSK 3/4 Internet ? DVB-S2 FR 765 DVB-S2 FR 766 VSAT #134 VSAT #490 VSAT #134 QPSK, 3/4 8PSK, 7/8 VoIP VoIP HTTP traffic will have minor delay waiting for next suitable frame Send VoIP traffic in this slot to avoid jitter ACM Optimization in SkyEdge II

10. 10 Confidential and proprietary information ACM Optimized for VoIP and video Support short and normal MPEG frames Efficient packing and Cross-frame Concatenation Advanced Scheduling Network wide frame optimization Frame 967 Frame 968 VSAT #627 VSAT #490 VSAT #390 QPSK, 3/4 8PSK, 2/3 VSAT #433 8PSK 2/3 Internet ? VoIP 16APSK 8PSK QPSK 433 Send this packet in the lower modcod to increase fill factor Cancel this frame

11. 11 Confidential and proprietary information SkyEdge II Inbound highlights DVB-RCS – benefit of years of experience and planning High throughput – up to 6.1 Mbps Excellent bandwidth efficiency Simultaneous QPSK, 8PSK Inbound Turbo Coding, 1.2 channel spacing Improved Scalability - Inbound BW as low as 128 Ksps

12. 12 Confidential and proprietary information SlowFast hopping MF-TDMA Fast frequency hopping Consecutive time slots Required guard intervals Slow frequency hopping Skipping slots upon frequency changes Higher blockage and lower utilization (waste for equivalent QoS) Freq #1 Freq #2 Slow Hopping Freq #1 Freq #2 Fast Hopping Synthesizer settling time

13. 13 Confidential and proprietary information DSFH hopping with SkyEdge II Dual TX synthesizer logic Settling time constraints are eliminated – next hop frequency is set in advance Hub can allocate consecutive time-slots at any available frequency * Present at some VSAT Models Freq #2 Freq #3 Freq #2 Freq #3 Fast Hopping DSFH Synthesizer settling time Freq #1 Freq #1 synth #1 synth #2 synth #1

14. 14 Confidential and proprietary information SkyEdge II –Inbound Adaptivity 1. Adaptive Uplink Power Control 2. Adaptive channel selection 3. Adaptive ModCod allocation

15. 15 Confidential and proprietary information AUPC (Adaptive Uplink Power Control) Power Loop Keep hub Rx at a nominal value Keep BUC Tx in the linear zone Compensate for: Rain fade Static attenuation (such as cable) Satellite location offset and aging Temperature, frequency effect on BUC gain Received ES/N0 (in OB to VSAT) SYNC bursts Decision to increase/ decrease

16. 16 Confidential and proprietary information Adaptive channel selection (Symbol rates) Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Freq Time Q ¾Q ¾ 256ks/s 128ks/sQ ¾Q ¾ Q ¾Q ¾ Traffic can be moved to a lower or higher symbol rate if required

17. 17 Confidential and proprietary information Adaptive ModCod allocation Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾Q ¾ Freq Time Q ½Q ½ 256ks/s 128ks/sQ ½Q ½ Q ½Q ½ Traffic can be moved to a lower or higher ModCod if required ModCod can be within same channel or different channel Symbol rate and ModCod division optimized per network: Different coverage areas Different VSAT capabilities / throughput requirements 8 ¾8 ¾8 6/7 8 ¾ 8 ¾8 6/7 8 ¾8 ¾8 6/7 8 ¾8 ¾ 256ks/s

18. 18 Confidential and proprietary information Efficient bandwidth on demand Rate based Volume based Rate Based Guaranteed Free Capacity Allocation e.g.: Internet e.g.: FTP/e-mail Rate secured before VoIP session starts, Rate released only at session end e.g.: Video/VoIP Unused capacity is distributed between sites e.g.: SCADA 1 2 3 4

19. 19 Confidential and proprietary information SkyEdge II additional features VoIP optimization Advanced QoS TCP & HTTP acceleration Security – VLANs, Embedded IPSec VPN, AES-128 Embedded IP and Router functionality DHCP, NAT, RIP, IGMP, IP prioritization

20. 20 Confidential and proprietary information SkyEdge II – VSAT family Different markets and applications over one Hub IP – High speed IP Router VSAT Extend – 2-Port IP Broadband router VSAT Access – Modular high performance multi-service VSAT Voice, LAN, WAN ports Pro – Modular high performance mesh capable VSAT Voice, LAN, Mesh, WAN ports, Rack Mount

21. 21 Confidential and proprietary information Summary SkyEdge II is a system with exceptional TCO High efficiency Sophisticated adaptivity High performance Scalability Designed for high reliability and manageability SkyEdge II is a standard-based system SkyEdge II leverages successful SkyEdge technology

22. 22 Confidential and proprietary information The WiMAX Opportunity Boundless Communications

23. 23 Confidential and proprietary information WiMAX WiMAX (Worldwide Interoperability for Microwave Access) is a wireless industry coalition dedicated to the advancement of IEEE 802.16 standards for broadband wireless access (BWA) networks Wireless communication technology Point to multi-point architecture All IP network Theoretically: 50Mbps throughput / 70Km range Adaptive modulation – resistance to interference

24. 24 Confidential and proprietary information WiMAX 16d / 16e IEEE- 802-16d (2004) - Fixed broadband “Fixed WiMAX” IEEE- 802-16e (2005) - Mobile / Fixed BB “Mobile WiMAX” USB/Embedded USB/Embedded

25. 25 Confidential and proprietary information WiMAX Advantages Standard Technology Interoperability Multiple vendors Price Reduction

26. 26 Confidential and proprietary information WiMAX Advantages OFDM – Orthogonal Frequency Division Multiplexing Available bandwidth is divided into many narrow bands Data is transmitted in parallel. High data rates (spectral efficiency bps/Hz) High Multi-Path Resistance Adaptive modulation and coding. Excellent performance in non /near line of sight Non line of sight (NLOS)

27. 27 Confidential and proprietary information WiMAX Advantages OFDMA Allocating each user a subset of sub-carriers Dynamic allocation – can vary in each burst Better link budget on uplink – more power per sub-carrier User 1 User 2 User 3 User 4

28. 28 Confidential and proprietary information WiMAX Advantages Multi-rate: 8 adaptive modulations – 64QAM to BPSK The highest modulation is selected based upon link conditions Adaptation can occur on a subscriber by subscriber or burst by burst basis Improves overall capacity and increases range

29. 29 Confidential and proprietary information WiMAX Advantages Supporting Technology AAS – Advanced Antenna Systems Beam forming – Range boosting through focused beam energy, Interference immunity MIMO (Multiple Input Multiple Output) & Antenna diversity - Overcome multi-path collisions through optimal antenna selection Capacity multiplier through multiple antenna array and energy collection – Space Time Coding – Downlink – Maximum Ratio Combing - Uplink desireddesired interference

30. 30 Confidential and proprietary information WiMAX Standards – User Guide Fixed WiMAX -16d Layer 2 connectivity Symmetrical link Outdoor CPE - bit/Hz Fixed WiMAX -16d Lower infrastructure cost Longer range Mobile WiMAX -16e Better Indoor penetration Lower CPE cost (2009) Use 16d until 16e is mature Business Residential Low density area High density area

31. 31 Confidential and proprietary information WiMAX 802.16d vs. 802.16e 802.16d 802.16e Applications Fixed to Nomadic Fixed to Mobile CPE interoperability No Yes Frequency 3.5GHz 2.3, 2.5, 3.5GHz Channel BW 3.5, 7MHz 5, 7, 10MHz (20MHz) Division duplex TDD / FDD TDD Handoff between BS No Yes Base station cost Relatively low Relatively high Network complexity Low- SU, BS High- SU, BS, ASNGW, AAA, HA Maturity Highly mature Although ratified, yet infant Main differences 802.16-2004 802.16-2005

32. 32 Confidential and proprietary information AS.MAX Solution

33. 33 Confidential and proprietary information AS.MAX – WiMAX Solutions End- to- End fixed and mobile WiMAX solution Variety of Base Stations supporting rural to dense urban Indoor and outdoor CPEs supporting multiple applications Integrated End-to-End with VSAT Gilat experience in turnkey projects: Network design, installation, operational outsourcing, etc.

34. 34 Confidential and proprietary information AS.MAX Product Portfolio – Field Proven and Future Proof HiperMAX HiperMAX – Micro MicroMAX Base Stations MiMAX ProST-WiFi ProST EasyST CPEs ASN-GW & HA Netspan NMS VoiceMAX Network Software

35. 35 Confidential and proprietary information WiMAX Broadband & Voice in Rural and Urban Areas IP Core Network HiperMAX MicroMAX USB (16e) BSDU MicroMAX PSTN / Voice Network Softswitch VoiceMAX Netspan NMS IP PtP IP PtP IPPtP

36. 36 Confidential and proprietary information Integrations guarantees reliable performance as well as applications like QoS, NMS, Voice, VPN High VSAT Data Rates Enables the Concentration of CPEs Local Switching Possibility saving Space Segment Low Power Solution at VSAT / Wimax Outdoor Option for VSAT / Wimax Common Rural Environment for VSAT / Wimax Low Cost Solution enabling few CPEs per VSAT / Wimax System Integrations guarantees reliable performance as well as applications like QoS, NMS, Voice, VPN High VSAT Data Rates Enables the Concentration of CPEs Local Switching Possibility saving Space Segment Low Power Solution at VSAT / Wimax Outdoor Option for VSAT / Wimax Common Rural Environment for VSAT / Wimax Low Cost Solution enabling few CPEs per VSAT / Wimax System Backhaul – WiMAX Over VSAT IP Core Network PSTN / Voice Network Softswitch VoiceMAX Netspan NMS A Unique Gilat PropositionA Unique Gilat Proposition

37. 37 Confidential and proprietary information MicroMAX Applications Urban Surveillance Municipality / Government Urban Surveillance Municipality / Government

38. 38 Confidential and proprietary information Outdoor WIFI Hot Zones Access WIFI over backhauled WiMAX Target Market- Public areas, Airport, Campuses, Business center etc. Wi-Fi ClientsHiperMAX / MicroMAX Outdoor CPEs MicroMAX Applications

39. 39 Confidential and proprietary information MicroMAX Applications Oil Rig / BoatOil Rig / Boat

40. 40 Confidential and proprietary information AS.MAX Winning Points Comprehensive WiMAX Solutions for rural and urban environments Low cost solution for rural and high end solution for urban Option for Outdoor Solution Best Fit for all applications Fixed, Nomadic, Portable and future mobile as well Field Proven Fixed WiMAX 16d solution with smooth migration to Mobile WiMAX (16e) Unmatched service offering Integrated voice, Home Networking and WiFi Hot-zone solutions Low power enables solar panel powering Unparalleled product offerings across frequencies 1.5GHz, 3.3GHz, 3.5GHz, 3.6GHz, 5.2 – 5.9GHz

41. 41 Confidential and proprietary information The Gilat Advantage World’s #1 provider of rural telephony 83% market share We know what it takes to deliver in rural areas Guaranteed WiMAX over VSAT performance Substantial investment in testing & development Single vendor solution Satellite networks + WiMAX solutions Experience and Knowledge to Provide a Complete Integrated Solution ( Ex: Including Solar Panels, Surveillance Systems, Adapters, etc)

42. 42 Confidential and proprietary information Obrigado ! Sandro Barros sbarros@gilat.com.br (21) 2142 6609 (21) 8154 1405

Vsat day-2008-gilat

Vsat day-2008-gilat

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