Sonim Technologies is the name of the company that became a pioneer of the world’s toughest GSM phone. Products that they offer always based by the needs of mobile phone that has a maximum endurance and ability to adapt to the rugged environments. With that background, Sonim now launched their latest variants of XP3 series. It is named Sonim XP3.20 Quest. In the Official Website, Sonim Technologies said that the newest product of Sonim XP3 is Built For Life in the big city, off-road, the back country, and the world's waterways. The Sonim XP3 Quest was also designed and engineered in response to their customers' requests for a rugged phone that fuses first-class features with Sonim's renowned premium rugged construction and durability. Sonim XP3.20 Quest is a mobile phone made of hard plastic and weight 170 gr. With a dimensions of 119 x 56 x 25mm, and backlit keys that can be pressed even though use of gloves. While the right side button can be used to activate the 2 megapixel camera and the key note address book (on the left side), the volume control on the right hand side. The screen of Sonim mobile phone XP3.20 Quest has size of 18 inch, with a resolution of 176-x-220-pixel, and the display can still be seen under the sun light. To get the SIM card and microSD card slot, the user must remove the two screw on the back and move the 1.850-mAh battery. Sonim Technologies said that the high capacity battery used by Sonim XP3.20 Quest mobile phone provides 18 hrs of talk time and over 60 days standby between charges in tri-band GSM 850 / 1.800 / 1.900 MHz network. In addition, there is a rubber that protects 2.5 headset jack, mini USB and synchronization port in the background. Therefore, Sonim XP3.20 Quest can be survived when dropped to concrete from the height of 6 feet or more, resistant to the weight load 23 kg, Vibration protection from 5Hz to 500Hz, and can survive in temperatures -20˚C to +55˚C. You can see the detail of the products in Sonim Official Website