1. AirMux-200 Product Launch

2. AirMux-200 Product Launch Slide 2 AirMux-200 Highlights Up to 48 Mbps air interface throughput* Net payload is 18 Mbps, full-duplex Combination of E1 or T1 and Ethernet Range up to 80 km/50 miles* Carrier-class performance RADview SNMP network fault management Easy to install * Rate is adaptive to range

3. AirMux-200 Product Launch Slide 3 Roll Out Released 5.725 - 5850 GHz Up to 2 x E1 or 2 x T1, and Ethernet December 2004 Pre-Release Version 5.250-5.350 GHz 2.400-2.4835 GHz ETSI and FCC regulation 4 x E1 or 4 x T1 ports, and 2 x Ethernet ports Carrier-class indoor unit (IDU) Power over Ethernet IDU February 2005 Pre-Release Version 5.470-5.725 GHz complying with ETSI and FCC Supports Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) Encryption: according to AES 128

4. AirMux-200 Product Launch Slide 4 Main Drivers Fast ROI versus leased lines Fast deployment and equipment reuse Broadband infrastructure enabler Backup for terrestrial lines Packet PBX n x E1 HQ Up to 80 km/50 miles AirMux-200 Remote Site n x E1 Switch Megaplex LAN AirMux-200 Switch PSTN Router V.35 n x FXS Server V24 Typical Application

5. AirMux-200 Product Launch Slide 5 AirMux-200 System Components Outdoor Units (ODU) ODU with integrated antenna, includes pole and wall mount brackets ODU for connecting an external antenna, includes “N” type connector Standard outdoor Cat.5e cable for connecting ODU to IDU

6. AirMux-200 Product Launch Slide 6 Indoor Unit (IDU) Configurations IDU – Standard indoor unit Ethernet Ethernet + E1 or T1 Ethernet + 2 x E1 or 2 x T1 IDUE – Carrier-class indoor unit 2 x Ethernet + 4 x E1 or 4 x T1 IDUD – Power over Ethernet unit Ethernet

7. AirMux-200 Product Launch Slide 7 Air Interface Features Frequency Bands5.725-5.850 GHz ^ 5.470-5.725 GHz * 5.250-5.350 GHz ^ 2.400-2.4835 GHz *^ Channel Bandwidth20 MHz RF Channel SelectionVia NMS, 5 MHz Resolution StandardFCC, *ETSI, ^CAN/CSA PolarizationLinear (V or H) Antenna Gain (dBi)IntegratedExternal 22 (5.x GHz)28 (5.x GHz) 17 (2.4 GHz)24 (2.4 GHz) Antenna Beamwidth9.0 degrees4.5 degrees Sensitivity (dBm) @ BER < 10e-11 -84-81-74-68 Rate (Mbps)12183648 ModulationBPSKQPSK16QAM64QAM

8. AirMux-200 Product Launch Slide 8 Typical Throughput Air Interface Rate Throughput full-duplex Throughput left for Ethernet traffic when using TDM Service Maximum Range (Mbps) 1 x E12 x E11 x T12 x T1(km)(miles) 124.22.0N/A2.50.884125.5 186.54.42.34.83.22515.5 3613.611.59.311.910.2106.0 4818.316.214.016.614.942.5 * Figures are for 22 dBi integrated antenna, at 5.725-5.850 GHz band. Maximum range is 80 km/50 miles with 28 dBi antenna at same band.

9. AirMux-200 Product Launch Slide 9 Carrier-Class Performance Jitter and wander according to G.823.4 Clock recovery (<0.05 PPM) E1 delay is 8 msec TDM circuit BER < 10e-11 @ sensitivity threshold Ethernet delay less then 3 msec Lossless Ethernet traffic

10. AirMux-200 Product Launch Slide 10 Management Airmux Manager: SNMP-based Installation wizard Link-based configuration for management of link with single IP address On-line monitoring of air interface, E1/T1 and Ethernet services Maintenance E1/T1 Local and Remote loopbacks Over-the-air software upgrade RADview SNMP Network Fault Management

11. AirMux-200 Product Launch Slide 11 Easy Installation and Alignment No need for digital volt meter (DVM) Survey performed by ODU Audio indication for optimal received signal strength (RSS) Per-link configuration and settings Unique system signal identification No pre-installation setting is required Light-weight ODU

12. AirMux-200 Product Launch Slide 12 License-Free Coverage Regulated coverage in many other regions Frequency License-free Coverage Region 5.725-5.850 GHz FCC, CAN/CSA USA, Canada, Mexico, Brazil, Argentina, China, Australia, New Zealand, Taiwan, Hong Kong, UK*, Spain 5.470-5.725 GHz FCCUSA 5.470-5.725 GHz ETSI Germany, Italy*, Belgium, Denmark, Sweden, Finland, Ireland 5.250-5.350 GHz FCC, CAN/CSA USA, Canada 2.400-2.483.5 GHz FCC, CAN/CSA USA, Canada, Taiwan 2.400-2.483.5 GHz ETSIMost EU countries, Israel * Special limitations or requirements may apply here

13. AirMux-200 Product Launch Slide 13 AirMux-200 Applications AirMux-200 provides a high return on investment in a variety of campus, enterprise and service provider applications. These include: Lossless Hot Spot Backhauling Telephone Service Extension to Remote/Rural Locations Multiple Services in Daisy Chain Topology Multiple Services with Unique E1/T1 Ring Protection Emergency Services and Temporary Deployment Wireless Backup Interconnecting Multiple Legacy Services over Packet Networks Cellular Backhaul Cellular Backhaul with TDMoIP Mesh Protection Voice Traffic Extension over Wireless

14. AirMux-200 Product Launch Slide 14 Supports full 5.x GHz and 2.4 GHz bands for lossless hot spot backhauling including band and channel separation Transparent Ethernet forwarding Ethernet and power over Ethernet ODU/IDU connection 5.x or 2.4 GHz AirMux-200 ISP Router Lossless Hot Spot Backhauling Ethernet Packet AirMux-200 Access Point Hot Spot Ethernet

15. AirMux-200 Product Launch Slide 15 Extends telephony services to remote or rural areas Megaplex units serve as channel banks at the remote end, and as aggregation devices at the center 5.x or 2.4 GHz AirMux-200 Telephone Service Extension to Remote/Rural Locations E1 PSTN AirMux-200 Remote/Rural Location E1 MP-104/204 CPE MP-2104/2100 AirMux-200 E1 MP-104/204 CPE AirMux-200 E1 5.x or 2.4 GHz Remote/Rural Location Central Site

16. AirMux-200 Product Launch Slide 16 Multiple Services in Daisy Chain Topology MP-2104 V.52 FCD-IP MP-2104 FCD-IP AirMux-200 Drop-and-insert topology saves cost of lease lines or infrastructure investment Drop of any service Optimized solution for specific node requirements Target markets: utilities, cellular, transportation

17. AirMux-200 Product Launch Slide 17 MP-2104 MP-2100 PBX NMS Servers FCD-IP Multiple Services with Unique E1/T1 Ring Protection Typical users: Campus Cellular Utilities 4 x E1/T1 Ring Fire Alarm Unique ring protection Optimized solution for specific node requirements Any service

18. AirMux-200 Product Launch Slide 18 AirMux-200 Remote Site n x E1 Switch Megaplex Emergency Services and Temporary Deployment Enables mobility and fast deployment Typical users: military, emergency services, broadcast, etc. AirMux-200 Central Site AirMux-200 DXC Switch n x links

19. AirMux-200 Product Launch Slide 19 Site B Wireless Backup Automatic switch-over with DXC Typical users: financial organizations, government, military RADview NMS DXC F.O or Copper G.703 CPE AirMux Site A CPE DXC AirMux

20. AirMux-200 Product Launch Slide 20 Interconnecting Multiple Legacy Services over Packet Networks End-to-end transmission of multiple user services over IP, with central demarcation and aggregation IPmux units Adds Ethernet traffic engineering tools such as rate limiting and VLAN stacking End-to-end service provisioning with RADview-SC/TDMoIP IPmux-8/16 4-16 E1/T1 NMS IPmux-14 V.35 Ethernet over Fiber Cable PLC Ethernet Services LAN Ethernet Router AirMux-200 IPmux-14 n x E1/T1 LAN Ethernet PBX

21. AirMux-200 Product Launch Slide 21 Cellular Backhaul Integration of cellular, monitoring and management traffic Future migration to IP 3G BTS Cost-effective alternative to Microwaves High link availability BSC AirMux-200 BSC Site AirMux-200 DACS E3 Switch AirMux-200 BTS Site n x E1 BTS 10/100BT n x links AirMux-200 BTS Site n x E1 BTS Ethernet TDM Packet 0.05 ppm clock recovery 8 msec E1 or T1 delay 3 msec Ethernet delay

22. AirMux-200 Product Launch Slide 22 AirMux-200 BTS Site 1-4 x E1 2 x 10/100BT IPmux-14 BTS Cellular Backhaul with TDMoIP ® Mesh Protection Complies to clock accuracy, jitter and wander GSM requirements Protection via packet ring or mesh topology 25%-50% equipment savings versus 1+1 protection BSC AirMux-200 BSC Site AirMux-200 n x links Backbone AirMux-200 BTS Site 1-4 x E1 2 x 10/100BT IPmux-14 Up to 16 x E1 IPmux-16 n x F.Eth BTS

23. AirMux-200 Product Launch Slide 23 Headquarters High link utilization with up to 16:1 compression ratio Enables extending E1 or T1 over IP for up to 80 km/50 miles E1/T1 PBX Vmux-110 Branch #1 E1/T1 PBX Vmux-110 Branch #2 IP or E1/T1 IP / TDM Network Up to 80 km/50 miles Router Vmux-2100 PSTN PBX E1/T1 AirMux-200 Voice Traffic Extension over Wireless

24. AirMux-200 Product Launch Slide 24 Summary of AirMux-200 Benefits Best price/performance in the industry - Fast ROI Combination of up to 4 x E1/T1 plus Ethernet, with high traffic throughput High link availability with carrier-class performance Reduction of deployment time and expenses as part of a complete interoperable solution with other RAD devices (e.g. Megaplex Multiservice Access Multiplexers) Management of hundreds of links and access devices from a single SNMP fault management application Enhanced security with standard encryption mechanism Easy deployment via installation and alignment tools

25. AirMux-200 Product Launch Slide 25 for your attention www.airmux.com Thank You Tel: 1-888-785-7393 Int’l: 1-951-694-1173 Email: airmux@pulsewan.com