TYPES OF BROADBAND BROADBAND FLAVORS Wired Wireless Digital
TYPES OF BROADBAND
BROADBAND FLAVORS Wired: Wireless: • Digital Subscriber Lines (DSL) • Satellite • Fixed Wireless • Wi-Fi • Wi. MAX • Cell (G 3, G 4) • Cable Modem • Leased Lines (T 1) • Fiber Optic Cable • Broadband Over Powerline (BPL)
DIGITAL SUBSCRIBER LINE (DSL) • Uses plain old phone lines (POTS) • Voice and data over the same line • Speed 1. 5 -8 Mbps • Requires location near central phone office or switch (18, 000 feet) • Phone lines are everywhere but not all of them are able to support DSL • Direct one-on-one connection; bandwidth is not shared with
CABLE MODEM • Faster than DSL • Uses the same cable television lines that deliver pictures and sound to your TV set • Shared connection–speeds can slow down when many people in the same neighborhood are online • Easy to install
BROADBAND OVER POWERLINE (BPL) • Delivered through power lines • Almost all homes and businesses are connected to the power grid • Still in early stages of development • Potential interference with radio signals • Speeds similar to DSL and cable
SATELLITE • Available most places, including hard-to-reach rural areas • Slower than cable or DSL. Wild. Blue download speeds up to 1. 5 Mbps and upload speeds up to 256 Kbps. • Trees and heavy rain affects signal • Need unobstructed view of southern sky
FIBER OPTIC CABLE • Delivered over fiber optic cables • Very high bandwidth • High cost to build fiber network • Low maintenance
WIRELESS BROADBAND • Fast relatively inexpensive deployment • DSL and cable speeds • Many varieties — Point-to-Point — Point-Multipoint — Mesh — Hot zones — Hot spots
POINT-TO-POINT FIXED WIRELESS • Uses part of the radio spectrum to send and receive signals. Typically made up of on-the-ground antenna-toantenna systems. • Requires indoor or outdoor antenna • Coverage about 5 miles transmitter or access point • High bandwidth • Usually licensed • Backbone or transport layer • Line of site
FIXED WIRELESS http: //www. connectusa. com/faq. htm
POINT-TOMULTIPOINT FIXED WIRELESS • Broadband delivery to premise • Consumer or business grade • One antenna to many sites • Line-of-sight • Large coverage area • Licensed or unlicensed
MESH NETWORK WIRELESS • Nodes (radios) o Connect to user o Transmit to aggregation point • Typically unlicensed • Favor urban areas or hot zones Aggregation Point
MOBILE WI-FI • Wireless fidelity • Wi-Fi access points found at cafés, homes, campuses, businesses. • Access is limited to 50 -300 feet • Coverage limited by location and number of transmitters • Relatively cheap for providers to set -up • End-user equipment cheap and easy to install
WHERE TO FIND WIFI • Hotels, motels, inns, and resorts • Airports • Public libraries • Cybercafes and fast food restaurants • Courthouses • City parks like NYC's Central Park • Public recreation areas and rest stops • Truck stops • RV parks
WIMAX • Wi-Fi on steroids • Can cover a large area 30 miles • Still in early stages of development • Can support ultra-broadband, a large pipe with lots of bandwidth and speed – just what you would need to run your own real-time online video channel.
HOW MUCH BROADBAND COSTS DEPENDS ON… • How fast you want to go • Residential or business use • Pricing of the provider
FOR MORE INFORMATION: WWW. CONNECTINGCOMMUNITIES. I NFO Southern Rural Development Center
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