Data Transfer
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 New 43 Car GPS Navigation FM Transimitter MTKCPU 500mHz Built in 4GB Map  US $52.00
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 Magellan RoadMate 3000T Automotive GPS Receiver US $20.00
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 Garmin Nuvi 1260T Bluetooth GPS Navigation 2GB Kit NEW US $267.97
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 Garmin Nuvi 265T 35 Portable GPS Navigator2GB Kit US $158.97
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 Garmin Nuvi 275T 35 Portable GPS Navigator2GB NEW US $278.97
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 USB Rapid Fast Travel Battery Charger Data Sync Cable for Garmin Nuvi 1390 1390T US $1.99
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 NEW USB Travel Battery Charger Data Sync Cable for TomTom GO 300 630 700 720 730 US $1.99
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 Magellan eXplorist 400 GPS Canada Maps Geocache with Canadian TOPO maps US $78.66
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 USB CableCarWall AC Charger for Garmin Nuvi 250W 265 US $4.34
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 Garmin MapSource MetroGuide USA includes trip waypoint manager Functions US $25.95
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 Garmin Forerunner 405CX GPS Enabled Sports Watch No charging Clip LB2 US $56.00
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 GPS NAVIGATION FOR DUMMIES MAYLONG MODEL FD 220 35 PORTABLE FREE SHIP FD220 US $24.00
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 USB Rapid Fast Travel Battery Charger Data Sync Cable for Garmin Nuvi 1490 1450T US $1.99
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 Garmin Astro 320 GPS Dog Tracking System w DC40 Collar Accesories No Reserve US $530.00
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 TomTom XL 340S US Canada Mexico GPS Navigation SYSTEM US $13.99
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 TomTom XXL 340S US Canada Mexico GPS Navigation SYSTEM As Is US $15.50
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 USB 20 5 Ft A to 5 Pin Mini B GPS Data Cables 5 New LOT OF 2 US $6.44
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 USB Travel Battery Charger Data Sync Cable for Garmin StreetPilot c320 c330 c340 US $1.99
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 Garmin Forerunner 405CX Blue Sports GPS Receiver US $100.00
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 Micro USB Cable RetractCar Charger for Samsung Nokia HTC BlackBerry LG Kindle US $4.99
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 Sony NV U44 Automotive GPS Receiver US $50.00
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 USB Rapid Travel Battery Charger Data Sync Cable for TomTom XXL 540 540S 540TM US $1.99
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 Navigon 7100 Automotive GPS Receiver Nice US $16.50
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 Magellan Roadmate 3120 MU GPS Navigator US $5.50
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 HOTGPS car tracker TK104long time batterywaterproofinsideoutside antenna US $114.99
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 USB iPod Bluetooth AUX MP3 Android car stereo adapter VW AUDI Seat Scoda VAGU2 US $139.99
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 USB IPOD Bluetooth adapter AUX Nissan Altima Infiniti G35 37 M35 45 NIS02U2 US $139.99
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 Volvo V70 S60 01 06 GROM USB interface car module Bluetooth AUX iPhone VOL01U2 US $139.99
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 Garmin 010 10215 04 Trip and Waypoint Manager does not contain detailed maps US $31.99
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 USB 20” TFT LCD NTSC PAL Night vision Li ion Auto recording Carcam 1080P K2000 US $99.99
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 GROM USB iPod Bluetooth AUX Volvo 94 00 VOL94U2 US $139.99
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 USB adapter interface AUX IPOD iPhone Droid Bluetooth Ford Lincoln MercuryFRDU2 US $139.99
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 ASK AM RF Receiver Super heterodyne Wireless Module 433MHZ 114dBm Low Power US $4.99
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 114dBm Super heterodyne Radio Frequency Transceiver Modules 433MHZ Manchester US $29.99
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 Mini Cooper BMW I DRIVE iPod iPhone Audio input Charge Cable Adapter 35mm AUX US $9.99
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 Garmin eTrex Vista Cx GPS New US Topo 100k maps on micro sd card US $220.95
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 5PCS Remote RF Wireless Receiver ASK Modules Super heterodyne 433MHZ 114dBm US $19.99
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 USB iPod AUX Bluetooth GROM Honda Acura 03for many Smartphones Adapter HON1U2 US $139.99
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 GROM USB Adapter Interface iPod Bluetooth AUX Toyota 4Runner Lexus ScionTOYU2 US $126.99
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 Garmin StreetPilot 2610 Automotive GPS Receiver US $41.25
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 Garmin nuvi 250W Automotive GPS Receiver FAULTY SPARES REPAIRS PARTS DAMAGED US $33.18
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 Erisin ES777A 7 HD In Car DVD Player GPS 3G WiFi Android 23 PAD Tablet US $365.00
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 USB Adaptor Interface iPod iPhone AUX Bluetooth GROM Honda Acura 03 HON1U2 US $139.99
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 Magellan Meridian Gold GPS Receiver US $21.50
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 Garmin Forerunner 405 Black Sports GPS Receiver US $91.00
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 Magellan Roadmate 3120 MU GPS Navigator New US $23.49
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 Planet Audio P9745B P9740 7 inch Car DVD Player US $179.88
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 NEW USB Travel Battery Charger Data Sync Cable for Garmin nuvi 255 255W 260 260W US $1.99
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 Mio M300 Automotive GPS Receiver US $30.00
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 NEW USB Rapid Travel Battery Charger Data Sync Cable for TomTom One 125 130 130S US $1.99
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 NEW GARMIN ETREX 20 WORLDWIDE HANDHELD NAVIGATOR US $128.00
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 DeLorme Earthmate PN 60 Portable GPS Navigator P N AE 008188 201 AS IS US $79.98
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 Alpine IVA D106 7 dvd player with Ipod cable bluetooth and GPS dock US $350.00
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 Magellan Triton 1500 GPS Receiver US $39.99
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 ASSISTANT POWER External Hard DRIVE SYNC USB Male to USB Mini USB Male Cable US $1.84
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 USB CableCarWall Charger for TomTom XL 330 330S 335S US $4.34
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 Garmin GPSMAP 60Cx GPS Receiver NEW US $182.50
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 USB Sync CableCarHome Wall AC Battery Charger for TomTom XXL 540 540S 540TM US $4.34
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 FULL HD Car Carcam Video Camera DVR HDMI Night Vision 20 1080P H264 K2000 US $34.00
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 Realtime GPS Tracker Vehicle Car GPS GSM GPRS Drive Tracking System Free Ship US $48.05
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 Garmin Forerunner 405 GPS Sports Watch with Wireless Sync NEW US $159.95
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 7 7 GPS Navigator Wireless Reverse Camera 128M RAM Bluetooth AV IN Win CE 4GB US $105.99
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 TomTom GO 300 US including Puerto Rico Canada Automotive GPS Receiver US $46.44
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 ASSISTANT POWER External Hard Disk SYNC USB Male to USB Mini USB Male Cable US $1.84
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 GROM USB iPod iPhone Bluetooth MP3 Droid Car Adapter Nissan Infiniti NIS CDCU US $139.99
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 Garmin Forerunner 405 GPS no reserve US $78.00
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 Garmin StreetPilot 2610 Automotive GPS Receiver w Remote Bundle Broken US $30.00
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 Garmin StreetPilot 2610 Automotive GPS Receiver with Pelican 1450 Bundle US $190.00
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 NEW Power Data Cable for Magellan 315 300 Meridian SporTrak US $16.99
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 Garmin GPSMAP 376C GPS Chartplotter Receiver W New Battery and Accesories US $305.00
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 ASSISTANT POWER External Hard DRIVE SYNC USB Male to USB Mini USB Male Y Cable US $1.84
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 USB iPod Bluetooth AUX Volvo 94 00 C70 01 06 VOL94U2 US $139.99
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 Garmin Forerunner 610 Black with Heart Rate Monitor Sports GPS Receiver US $308.99
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 43 Touch Screen Car GPS Navigation FREE 4GB Maps MP3 US $24.99
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 Wireless Super heterodyne Rolling Code Receiver Module Remote Keyfob US $16.50
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 Pioneer AVH P2300DVD car Touch Screen DVD USB SD CD MP3 IPOD AUX Zune player NR US $230.00
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 Pioneer Premier FH P800BT Double Din Bluetooth CD MP3 US $249.95
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 DeLorme Earthmate PN 60 GPS Geocaching Receiver US $75.00
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 TomTom Go 2505 5 Inch GPS Navigation US Canada Mexico US $36.00
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 Garmin Forerunner 310XT Sports GPS Receiver Running Jogging Training Watch w HRM US $203.50
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Bandwidth Or Data Transfer
Too often web hosts talk about bandwidth and data transfer in the same breath but truth be known they are different although very closely related. Bandwidth is how much data can be transferred at a time and data transfer is how much data is being transferred.
Think of it this way. If bandwidth were a bridge, then the bigger the bridge is the more vehicles can pass through it. While data transfer is the number of vehicles allowed on the bridge in say a month. In essence, data transfer is the consumption of bandwidth.
How It Affects Your Site
The less bandwidth you have, the slower your site takes to load regardless of the visitor's connection type. If you have more visitors, some of them will have to wait their turn. The least data transfer you have, the more often you'll find your site unavailable because you're reached the maximum allowed until a new month rolls by or you upgrade your account.
Determining Your Requirements
Usually when a host talks about bandwidth, they are referring to your transfer. So you need to figure out what is sufficient for your site to function. You'll need to gather some information; fairly easy if you already have a site. Most of this information is available from your traffic history. If you don't have an existing site, provide an optimistic estimate if you intend to heavily promote the site. Then get ready for some math.
Find out the daily averages of:
- Number of visitors / expected number of visitors
- Page size including the graphics of the page
- Page views / expected pages viewed by each visitor
Then, multiply them as follows:
Visitors x Page size x Page views x 30 days = Monthly Website Transfer
You should also throw in a small margin or error there to take into account email traffic and your own uploads to the server. If you offer downloads, then you should add the following:
Average/Expected downloads x File Size x 30 days = Monthly Download Transfer
Unlimited Plans
Bandwidth is very expensive. All hosts are limited by their own allocations. Thinking back to the bridge. What happens is each visitor to your site will be given a smaller lane to transfer the data, creating many tiny lanes therefore "unlimited". The more visitors you have the smaller each lane will be, which makes each visitor wait for the page to load.
More often than not there is little choice over your bandwidth as your host controls this. Some hosts may limit the number of simultaneous connections so in affect slowing down your site and refusing some visitors. This is called throttling.
If you're concerned about this, you should ask the host how they control bandwidth usage or purchase a package with more data transfer. If you use HostVoice.net (http://hostvoice.net), this information is easily obtainable with one request.
Reducing Transfers
On the other hand, you can reduce your transfer amount by building simpler, more efficient websites and optimizing your graphics. Refrain from fancy flash presentations or streaming audio. Use CSS, call JavaScript externally instead of embedding in every page.
Remove unwanted tags, white space and comments. Limit your META tags to those absolutely necessary. Having too many keywords is not search engine friendly. Besides many search engines will only review the first few and ignore the rest.
Another good idea is to cache your website but you might want to set an expiry date in the HTTP headers so the browser will refresh the content after a certain time. Use mod-gzip. It could save you as much as 40% of your bandwidth. Out of control robots can also suck down your bandwidth like a black hole. So use robots.txt to keep spiders in check.
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