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LXE Marathon Field Computer

LXE uses open-book form factor for its new Windows-based rugged field computer
(by Conrad H. Blickenstorfer)

The LXE Marathon, introduced in November of 2010, bridges the gaps between PDAs, notebooks and tablets. It's a cross-over product somewhere between LXE's PDA-style handhelds and their vehicle-mount computers, and it also crosses the functionalities usually provided by either a Windows CE/Windows Mobile device, and one that runs full Windows. So what exactly is the LXE Marathon?

It is a tablet computer that also has a QWERTY keyboard. That's a lot of functionality to pack onto the surface of a ruggedized device with a footprint of just 8.1 x 7.8 inches. But LXE managed to do it while still providing a reasonably large display (7 inches diagonal) with acceptably high and nicely matched resolution (800 x 480 pixel), and a full keyboard that even includes a separate keypad.

Unlike some full keyboards we've seen on similar designs, LXE gave the Marathon a small 58%-scale version of a standard keyboard, and not one of those (often gimmicky) layouts that assumes users will thumbtype like on a giant Blackberry. This way, users will feel right at home on the Marathon's keyboard, small though it is, and it seems a good solution. There are also ten assignable function keys, and those always come in handy on tablet computers.

Under the hood, the Marathon employs the Intel Atom ciruitry that's been powering an increasing number of lightweight, fanless tablets, panels and similar devices that require adequate computing power while generating little heat and going easy on the battery. LXE chose the by now almost ubiquitous 1.6GHz Atom Z530, one of the first Atom processors released. The Z530 enjoys "embedded" status, which means that Intel will support it for many years. Even combined with its US15W companion chip, this frugal chipset uses just about 5 watts.

On the ruggedness side, the Marathon specs indicate IP65 sealing, where the "6" means the device is totally dust-proof and the "5" that it can handle low-pressure water jets from all directions; the ability to survive multiple 4-foot drops to concrete; and it has a wide operating temperature range of 4 to 122 degrees Fahrenheit. LXE also lists additional ruggedness testing as well as numerous certifications (see specs).

The Marathon has adequate onboard connectivity (USB, audio), with much more available via external docks (desktop and vehicle cradles are available). There's 802.11a/b/g/n WiFi and Bluetooth 2.1. AGPS is included, and there are internal antennas. The Marathon can be customized for various data collection tasks via an optional 2D imager, 2-megapixel AF camera (top-center on backside), and magnetic stripe reader.

While the Marathon concept is innovative and has plenty of application potential, there are some caveats. Despite the low-power Atom processor, the small standard battery is only good for 2.5 hours or so. That's enough if the unit is only occasionally removed from a dock, but not in the field. For that, LXE provides secondary 6 and 9-hour batteries that snap onto the back of the Marathon, extending thickness some. Outdoor users will want the optional transflective display as the standard transmissive display, while bright (400 nits), is primarily for warehousing and other indoor applications. The Marathon's resistive touch screen probably works well for custom apps, but Windows itself has never been a good match for resistive touch.

Overall, the Marathon is a very good addition to LXE's lineup. Microsoft hasn't really done much with Windows CE for the past few years, and many applications now require full Windows 7 or XP. Though not a speed demon, the Atom Z530 has proven to be able to run full Windows implementations, and especially those based on embedded versions. LXE also is one of the few who offers such a "cross-over" device (others are primarily the Panasonic U1, the DAP M8920, the DLI 8400, the Arbor Gladius 720, and the Black Diamond SwitchBack), and the LXE Marathon certainly adds a very attractive contender.

Below is a video describing the Marathon that LXE, which became part of Honeywell in 2011, released in September of 2011.

Specifications
Added/changed Added 06/2011, updated 09/2011
Form-factor Rugged field tablet computer
Processor Intel Atom Z530
CPU Speed 1.6GHz
Chipset Intel "Poulsbo" SCH US15W/GMA500
Standard/Max RAM 1GB or 2GB DDR2 533MHz SDRAM
OS Windows 7, Windows XP Pro, Windows Embedded Standard (WES 2009)
Disk/drive 8/16/32/64GB SSD
Card slots unknown
Display type Transmissive TFT with 400 nit backlight; optional transflective indoor/outdoor display
Display size/res 7-inch/800 x 480 pixel WVGA
Digitizer/pens 4-wire resistive touchscreen
Keyboard/scale Full 58%-scale QWERTY keyboard with separate number pad, 10 function keys, and backlight
Housing Magnesium
Operating Temp 4 to +122F (-20 to +50C)
Sealing IEC 60529 compliant to IP65 Design
Shock 4ft. (1.2m) multiple drops to concrete
Humidity test unknown
Vibration "MIL-STD-810F"
Certifications Emissions: FCC & ETSI; Immunity: ETSI; Safety: UL 60950-1, CSA C22.2 No. 60950-1, EN 60950, IEC 60950; Battery Safety: UL 2054, IEEE 1725; Radio: FCC Part 15C, IC RSS210, 102, EN 300 328, China SRRC, Singapore IDA, Malaysia SIRIM; Radio Safety: FCC OET Bulletin 65, IC RSS 102, EN 50360; RoHS compliant
Size (WxHxD) 8.1 x 7.8 x 1.3 inches
Weight 2.2 lbs. including battery
Power Li-ION primary battery, 2.5-hr life (optional secondary batteries for 6- & 9-hr operation)
Interface 2 USB 2.0, dual speakers, audio in/out, fingerprint reader, dock (2 USB, external WWAN radio & GPS antenna ports, RS232, GA expansion port, charging)
Wireless Bluetooth v2.1 + EDR, 802.11a/b/g/n WiFi, AGPS
Data capture Optional 2D imager, 2mp AF camera, mag stripe reader
List price Inquire
Product page LXE Marathon
Contact LXE Marathon brochure
Contact www.lxe.com
Definitions/Primers
  • Active vs passive digitizers
  • What does "rugged" mean?
  • Rugged Specs Primer
  • FIPS 201
  • Intrinsic Safety
  • NEMA Ratings
  • NVIS standards
  • IEC 60601
  • IP Rating
  • RFID
  • RFID vs. Bar Code
  • RoHS
  • Outdoor-readable screens '07
  • PCI compliance
  • UL 1604
  • MIL-STD-3009
  • Wide-angle LCDs '04