Test the performance of the cellular and WIFI networks (ping times, download and upload speeds). In:Chinese,English,Finnish,German,Hungarian,Italian,Polish,Portuguese,Russian,Spanish,Thai Version history: v4.6 2013.10.03 Multiple GUI languages added v4.4 2013.08.15 Skins Total and cell data usage shown Start directly to test page v4.3 2013.07.30 New setting page - Switch between Kbit and KByte ... Fiber or fiber optic internet service is a type of high speed internet service that uses hair-thin, flexible glass strands, or other transparent material that transmits data in the form of light signals from one point to another. Bring peace of mind every time you drive. Now with a collection of newly standard active safety and security features, Cherokee is designed to help watch your back and keep you on the right path.