The first in a series of mobile devices designed specifically to withstand hard use in industrial environments, theu N4 is housed in an ultra-rugged polycarbonate shell, waterproof and heat-resistant. It 
features a 5.5-in. high-resolution, 720×1280 Super AMOLED display, Android version 4.3, and 70-key backlit keypad. Other features include a hot-swappable battery, optional three-channel magnetic stripe reader, and an 8MP color camera.
N4 incorporates the Samsung Galaxy Note series of smart-phones—rugged to MIL-STD 810 G and operating temperatures of MIL-STD 810F. With a hot swappable battery, operators never have to exit an application, reboot, and then re-enter the application to change power. Device can also be submerged up to one meter while remaining in an application.
Information can be stored in the N4’s 16GB internal memory and additional Micro SD memory is available up to 64GB. A drop-in cradle with spare battery charger may be used for desk-top or vehicle mounting. The device is IP67 rated and meets or exceeds MIL-STD 810G using methods 516.6 and method 514.6 for both shock and vibration.
The N4 can be ordered with a standard QWERTY keyboard or select a keypad that fits an application precisely. Aside from the Samsung device, the N4 is entirely produced in the USA. — Two Technologies, www.2t.com/n4; 215-441-5305