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Dan Carpenter
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Joined: 25 Apr 2006
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PostPosted: Thu May 05, 2011 10:36 am    Post subject: Tethering Reply with quote

Tethering 411

Tethering is using an Internet-enabled mobile device (such as a smartphone) as a modem for another device, (such as a laptop, PDA, notebook or even a PC) - simply put, using your cell phone as a modem. Connection is usually made via a USB cable but can also been done with a serial connection or wirelessly with Bluetooth. The USB connection is more desirable since you can charge the Master device while connected to the tethered device, providing your laptop has this feature. Additionally, USB data speed is typically faster than Bluetooth.

Tethering is typically utilized as a backup Internet connection when you primary connection is unavailable and/or there is no Wi-Fi connectivity. Another popular choice is when you forget your AirCard.
    Tethering is more secure since information is being sent directly through your phone rather than open public hotspot.
    Tethering also saves you the cost of purchasing an additional data plan from your carrier and/or laptop air card.

    Some carriers don’t support Tethering while others may charge extra for Tethering, including monthly service charges and tethering fees. Read your mobile operator user agreement with your carrier to verify if Tethering (especially 3rd Party Tethering) is allowed.
    Drains your phone battery more quickly – especially if using Bluetooth connection.
    Beware, if you have a usage tier or CAP data plan, Tethering can eat up bandwidth much faster.
    May not be able to talk on the phone while using the tethering connection (depends on type of phone and/or the Carrier).
    Because the information sent through the tethered device has to take an extra step, the speed you experience will be slower. Upload/download speeds of less than 1Mbps can be expected, and depending on the coverage area it may only be a tad bit higher than dial-up.

Third-Party Vendors
PdaNet is a popular application for Tethering. It’s about $30.00 a month but does not support MAC

Easy Tether is another. It supports W7 and MAC.

Carrier Pricing
AT&T requires two data plans; one for your Smartphone and one for you Laptop. Their DataPro plan is $20.00 a month and there is a 2GB cap.

Verizon is the same as AT&T. Their second data plans range from $15-$30 a month. The data is metered up to 5GB, with no CAP, but overages are charged by MB. They also offer a $50 tethering plan for non-smartphones.

AT&T, Verizon, T-Mobile and Google blocking Wi-Fi sharing APPS
May 3, 2011
AT&T, Verizon and T-Mobile – along with Android creator Google – are blocking access for Android Market APPS that enable Wi-Fi sharing or tethering. Google may be violating open access policies from the 700 Mhz auctions – the bulk of Verizon’s 4G network.

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