Take rugged to an entirely new level with the phone engineered specifically for customers who work and play in extreme environments and appreciate the value of dependable tools that perform as promised. The XP3.10 Zone 1 is waterproof and includes the Opera Mini web browser, extended-life battery and PC synchronization capabilities it takes rugged to new heights. Functionality “Push-to-talk” (PTT) by GPRS network with additional subscription for illimited communications at lower costs. Better contact for your staff in hostile environment. 1 to 1, 1 to group, 1 to all.