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The J3500 still has a 12.1-inch display with 1280 x 800 pixel resolution, viewable in both portrait and landscape modes. Now, however, the device is available not only with the former resistive touchscreen, but also in a "dual touch" version combining capacitive technology with a Wacom digitizer. The dual touch screen provides multitouch, similar to Apple's iPhone and iPad, but also responds to a pen when greater precision is required.
Like the J3400 before it, the J3500 (above) is not as overtly ruggedized as some other tablet PCs. However, the device is said to meet the MIL-STD-810F standard for surviving three-foot drops, and it has an IP52 rating for resistance to dust and liquids. This toughness is achieved by chemically strengthened glass, a magnesium-alloy internal frame, and a rubberized bottom housing, the company says.
J3500 buyers can further specify a display made of Corning "Gorilla" glass, which first made its appearance on Motion Computing's F5V and C5v back in May. Said to have four times the breakage resistance of standard glass, this is only available with the resistive touchscreen, however.
The J3400 was offered with a choice of two "Penryn" Core 2 Duo processors from Intel, the 1.2GHz SU9300 or the 1.4GHz SU9400. Those CPUs were listed by Intel as having 10 Watt TDPs, though that did not take into account the power used by the required GS45 northbridge and ICH9M southbridge.
The CPUs on the J3500 now use 32nm technology and are paired with Intel's QM57 Express chipset, with DDR3 memory support and integrated graphics. They're either the 1.06GHz i5-520UM, with a Turbo Boost frequency of 1.86GHz and a TDP of 18 Watts, or the 1.2GHz i7-640UM, with a TDP of 18 Watts and a Turbo Boost frequency of 2.26GHz.
The J3500 is still limited to 4GB of RAM via two SODIMM slots, according to Motion Computing. However, there's more mass storage: the tablet's 1.8-inch hard disk drive has grown to 160GB, and purchasers can also select 64GB or 128GB SSDs (solid state disks), the company adds.
Wireless connectivity on the tablet includes both 802.11a/b/g/n wireless networking and Bluetooth 2.1. Motion Computing also offers an optional cellular modem employing Qualcomm's Gobi chipset. This provides GPS and allows users to connect to HSPA (high-speed packet access) networks, generally found in Europe, and EVDO (evolution data optimized) networks, generally found in the U.S, according to Qualcomm.
The left side of the J3500 sports a microphone input, headphone output, gigabit Ethernet port, two USB 2.0 ports, and a VGA output. The right side includes features such as a pen storage bay, a fingerprint reader, plus Smart Card and Express Card 34 slots, Motion Computing adds.
On the bottom of the tablet, there's a docking connector, designed to interface the tablet with one of two optional accessories. The "FlexDock" (below left) is a desktop stand that includes a VGA port, a DVI-D port, four USB ports, audio I/O, and a battery charging bay. The "mobile keyboard" (below right), meanwhile, attaches magnetically to the back of the tablet, providing a touchpad and a full size keyboard that opens and closes just like that on a notebook, says Motion Computing.
