Tethering is a method to share the
Internet connection of an Internet-capable mobile phone.This sharing can be via cable, or wirelessly over Bluetooth or Wi-Fi, if Wi-Fi the tethering feature is often branded as a mobile hotspot and can typically service several devices.Many mobile phones are equipped with software to provide tethered Internet access via
Bluetooth or a
USB cable.Depending on the mobile phone's carrier, tethering may be provided at no extra cost.However, some carriers impose a one time charge to enable tethering, while others do not allow tethering at all or impose additional data charges on tethered internet use( source: en.wikipedia.org).
So
Android Wireless Tether enables tethering (via wifi and bluetooth) for "rooted" handsets running android (such as the Android DevPhone 1).
Clients (your laptop for example) can connect via wifi (ad-hoc mode) or bluetooth and get access to the internet using the 3G, 2G
mobile connection or (in case you are using bluetooth) the
wifi connection which is established by the handset.This application requires a "rooted"-device and a custom-kernel which supports netfilter (iptables) (Source: code.google.com)
Features Android Wireless Tether:-Access-control feature. Allow/deny clients to use your mobile-data connection
-Wifi-Encrytion. 128-bit
WEP in general.
WPA/WPA2 on supported devices.
-Reduce wifi-transmit power (on supported devices)
-Settings for wifi-ssid, wifi-channel, „lan“-network and more.
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