Published on Apr.2.2013

Winmate C350T

Rugged compact PDA with legacy look and size, contemporary electronics and performance, OS choices, and industrial grade data collection options
(by Conrad H. Blickenstorfer with photography by Carol Cotton)

It's not like Winmate isn't paying attention to the latest phone fashion trends — they make sleek, super-modern multi-touch handhelds, too. It's just that they believe there's still room for a good-old-fashioned Pocket PC, one that's plenty tough, doesn't break easily, and has a real keypad with real individual keys. But, and here you can tell it's 2013 and not 2002, one that comes with Android as its default OS. But that's not he one they sent us. Our tester came with the also available Windows CE 6.0. We'll explain why later.

Compact, basic, budget-friendly and flexible

There's no denying that the C350 has a decidedly vintage look to it. There's a 3.5-inch transflective screen with a resistive digitizer that's best operated with the supplied stylus. The display is slightly recessed instead of flush-mounted as is the case with almost all modern procap smartphones. That's for better display protection, but it again emphasizes stylus rather than touch operation.

In terms of size, measuring 3.1 x 6.0 inches, being well over an inch thick, and weighing about ten ounces, the C350 recalls an era where your average Pocket PC and PDA were just about this big and heavy. The picture to the right shows how the Winmate C350 compares to an Apple iPhone 4s. That said, compared to other industrial, ruggedized handhelds and mobile terminals, the C350 is indeed, as Winmate calls it, a "compact-class PDA."

As far as tech specs go, Winmate's little workhorse is based on the Texas Instruments DM3730 processor running at 1GHz. This is an OMAP-compatible package with an ARM Cortex-A8 core and a powerful graphics accelerator. And the C350 also includes new-era tech such as a micro-SD card slot, speedy 802.11n WiFi, integrated GPS, an optional 5mp camera, and optional 3.5G mobile broadband. And that's on top of also available scanners and RFID.

Winmate's positioning of the C350 seems to be that of an inexpensive tool for vertical market jobs with hardware that's legacy-friendly enough to fit into any existing infrastructure, flexible enough to allow whatever software is deemed optimal for an application, and technology advanced enough to fill contemporary expectations.

Design and construction

Compared to Winmate's own E430 and other of the company's modern-style multi-touch handhelds, the C350 looks decidedly traditional. Its body is made of plastic with just the smallest hint of rubberized bumper areas in the corners. There's the simple integrated physical keypad for rapid data entry, and with buttons large enough even for big fingers and with gloves on. While our review device came in the white/light-blue version targeted at healthcare markets, Winmate also offers the C350 in the more conventional and utilitarian dark gray.

For controls and ports, the C350 is minimalist. On the left and right side are identical scan trigger keys. On the right side you can also see the garage for the handheld's little metal stylus that telescopes out to 3.5 inches. On the left side is a small protective flap to secure the sole port, a micro-USB OTG connector. On the bottom is a surface-mount docking connector for use with the optional cradle. On top is the window for the integrated barcode scanner.

On the face of the C350 is the multi-function keypad that also included large phone keys and yet another scan button (the big yellow one). Above the display is a little speaker for when the device is used as a phone, and next to it the little lenses for the ambient light and proximity sensors.

No card or expansion slots are visible. That's because the unit's micro-SD and SIM card (if so equipped) slots are inside the unit underneath the battery and not externally accessible.

A look inside

While most users of devices such as the Winmate C350 Series will never open them, IT and service departments will usually want to know what's inside, how well a device is made, and whether a device is user-serviceable. That's becoming more and more of an issue in an era where millions of smartphones cannot be opened or serviced at all anymore. Well, the C350 doesn't have that problem. To get to the replaceable battery, all you need to do is open a couple of levers. That also gets you access to the micro-SD card slot beneath the battery and the optional SIM card slot. And to open the entire unit, all you do is undo six little Philips screws. The picture below shows the bottom of the C350 handheld (left) and the bottom with the battery and battery cover removed (right).

The housing of the C350 consists of two plastic halves, in our healthcare version a light-blue bottom and a white top. The sealing between the two halves uses a tongue-and-grove design with a rubber o-ring sitting in the groove around the perimeter of the bottom part of the housing. There are no twists and turns here where the rubber seal could get twisted or damaged.

Unlike consumer smartphones that may be able to scan using their integrated cameras, professional quality devices such as the C350 use industrial-grade scanners. Depending on the intended use, Winmate offers an inexpensive IR 1D scanner for indoor use, an indoor/outdoor 1D long-range laser scanner, or a 1D/2D CMOS imager with extended symbology support.

Of interest to IT shops, system integrators and software developers: Winmate offers a barcode and RFID SDK for the C350.

Overall, everything looked simple and workmanlike inside. This is a cost-efficient design that is easy to customize, work on, and service.

Operating System

Interestingly enough, the Winmate C350 Series' default OS is actually Android 2.3.4, but Windows CE 6.0 and windows mobile 6.5 is optionally available (and was installed on our tester).

The bottomline here is that a voice and data-capable data collection device that can be used as a PDA as well as a phone, having all those OS choices available, on top of the many hardware options, certainly makes the platform as flexible as any basic handheld can be.

Display and usability

Notebook, tablet and smartphone displays have improved dramatically over the past several years, but by and large, industrial handheld displays have been slow in following suit, and that includes the one used in the C350. Anyone used to retina-class smartphone displays will be disappointed with just 240 x 320 pixel resolution, color shifts when viewed from an angle, and the reflections inherent in resistive touch screens. But then again, the C350 is not a snazzy smartphone, it's a tool for jobs.

Nominally, the C350's display is transflective, which means it has both transmissive (good for indoor viewing) and reflective (good for outdoor viewing) qualities. Unlike purely reflective outdoor LCDs that required an annoying sidelight for indoor use, transflective screens have backlighting that evenly illuminates the display. However, transflective LCD technology doesn't let all the light through, and so even though the C350 is rated at 440 nits (a standard notebook has about 200), the display isn't exceptionally bright.

The picture to the left is an unretouched shot of the unit being used outdoors in broad daylight, with the screen angled to avoid reflections.


Like several of Winmate's products, it's not easy to categorize the C350. Winmate's own documentation describes it both as a "compact-class PDA" but also as a "rugged industrial PDA." While those two descriptions conjure up different images — and while our white/light-blue model looked like it'd be perfectly at home in a clinical setting whereas the dark-gray version looked very industrial — the C350 can really be both.

As far as environmental specs go, the device is sealed to IP54 specifications. The first "5" means the device is protected against dust, but with limited (i.e. not harmful) ingress permitted. The second "4" means it is also protected against water sprayed from all directions, again with limited ingress permitted. We interpret that as meaning the C350 can handle a bit of dust and rain but it shouldn't be used in a desert or on a boat.

Bottom line: Winmate C350T industrial/compact PDA

At first sight the Winmate C350T looks like a throwback to the earlier era of Pocket PCs, the pre-iPhone time when PDAs had not yet evolved into super-slender glass and metal minislates. But that's misleading because it's really an intelligently designed device that values function over form. The large physical keypad allows for rapid data entry in the field, the tough industrial plastic case and recessed display offer excellent protection, the device can run either a legacy mobile OS or the ever more popular Android platform, and it can also be used as a phone.

While the 3.5-inch 240 x 320 pixel resistive touch screen looks and feels quaint to those used to modern smartphones, it's perfectly suitable for numerous jobs. Depending on the intended use, industrial-grade 1D or 1D/2D scanners, RFID, 3.5G WWAN and GPS are all available. And the electronic underpinnings are all up-to-date. Add to that your choice of Android or Windows CE/Mobile and you have a very flexible handheld computing platform suitable for numerous industries and applications. There's definitely room for such a device. --- Conrad H. Blickenstorfer, March 2013

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