A small icon on notification bar to ensure if the data link is *REALLY* connected. Also shows your connection speed level. (On Android 2.2+ devices)

Almost drains no battery, no traffic when screen is off.

Default pings 8.8.8.8 every 3 seconds, about 2 KB/min traffic when screen is on. You can change these settings.

Icon is from http://www.rubysoftware.nl/

Containing:
Copyright 2011 Robot Media SL (http://www.robotmedia.net)
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0