1. Wireless and Wired Networks for Internet Access Blake Dumas Wireless Operations, Interlink Computer Connection Broadband Wireless and Home Networking

2. Part I: Broadband Wireless

3. Definitions LAN - Local Area Network The computers in your home/office WAN - Wide Area Network Your Internet connection and the people around you Downstream throughput The capacity of data you can receive Upstream throughput The capacity of data you can send

4. Internet Access Technologies Dialup/ISDN DSL Cable Wireless

5. Low-Speed Technologies Dial-Up Requires analog phone line to dial provider < 56 Kbps maximum downstream Ties up the phone line ISDN Requires digital phone line to dial provider 64/128 Kbps flavors

6. Traditional Broadband DSL Uses phone lines to deliver high-frequency signal separate from phone conversations Usually 768 kbps – 1.5 Mbps downstream Only reaches 2-3 miles from Central Office Cable Uses cable television infrastructure to deliver broadband Typical 1.5 – 2 Mbps downstream Bandwidth shared among users

7. Wireless Technologies 012345GHz Cellular 700-900 MHZ 802.11b/g 2.4-2.48 GHZ 802.11a 5.7-5.8 GHZ 6 No phone lines or cable television required Farther distances covered Rural areas are able to receive broadband Interference can pose a problem

8. Interlink Wireless Based on Motorola Canopy technology Operates at 5.7-5.8 GHz Does not require phone lines or cable Persistent connection, no waiting to dial Stationary customer antennas are aimed at access point clusters Limited by line-of-sight

9. Canopy Equipment Internet Access Point ClusterSubscriber Module

10. Technical Aspects Uses Motorola protocol rather than 802.11 5.7 – 5.8 GHz frequency range Dynamic Time Synchronization Spreading (DTSS) and Frequency Shift Keying (FSK) Access Points coordinate times each sender can send Transceiver and antenna integrated into a single module Power and Ethernet delivered on one cable

11. Interlink Wireless Coverage Peoria Itasca Abbott Hillsboro Milford Hubbard

12. Bandwidth Comparison 56K Dialup ISDN Dual ISDN Res. Wireless Bus. Wireless 500 Kbps1.01.52 Mbps Maximum Download Throughput

13. Canopy Security Uses proprietary protocol, unlike 802.11 Fragments data into 64-byte packets and reorders Assembly, order, and disassembly of packets remains unpublished Motorola chip not available to the public 64-bit Data Encryption Standard (DES) encryption

14. Part II: Home Networking

15. Single Computer

16. Wired LAN

17. Wireless LAN

18. LAN Hardware Home Router Shares Internet connection among multiple computers Hides your internal network from the world Assigns addresses to computers on the network Can serve as a wireless access point and print server Dlink 714+

19. LAN Hardware (cont.) Ethernet Adapters 802.11 Wireless Adapters Netgear FA311Netgear FA511 DLink 520+ Netgear MA401

21. Residential Wireless Features Persistent “always on” connection 1500 Kbps downstream / 192 Kbps upstream 2 email accounts 10 Mb web storage space Local service and support Equipment lease included in cost Less than the cost of an extra phone line + dialup $39.95 / mo. $99 one-time installation

22. Questions? Also, visit our website for more information about wireless and other services we provide www.hillsboro.net