Most modern smartphones have exquisite cases made of metal and glass. They look amazing, their screen / case ratio is close to 100%. But when you pick up this miracle of modern technology, it is difficult to get rid of the thought of how fragile it is. There are people for whom the strength of the device is critical. These are mainly builders, installers, architects, designers and representatives of other working professions.
Satisfying their demand is the American company Caterpillar . She also produces construction equipment, engines and footwear. She has enough experience in working with extra-strong materials to create truly indestructible mobile phones. Some of the best Cat models include the following gadgets.
• Display: TFT 4.7 ”, resolution 1280 x 720, pixel density 312
• Processor: the Snapdragon 617
• RAM: 3 GB
• Flash memory: 32 GB (+ slot for microSD cards up to 128 GB)
• Camera: 13 MP main, 5 MP front
• Battery: 3800 mAh
• OS: pure Android 6.0 out of the box (there is an update to Android 8.0 )
• Dimensions: 73.4 x 147.9 x 12.66 mm
• Weight: 249 g
Price: from 26 690 rubles
The secure device segment is developing slowly, so the Cat S60, released already in 2016, remains in demand today. By technical characteristics and overall performance, it can be attributed to the budget level - there is not a lot of RAM, there is not much internal memory either, and the camera is frankly weak by modern standards. Those characteristics that ordinary users are used to paying attention to are implemented here to a minimum. However, a person with specific requirements will find a lot of interesting things in the S60.
First of all, it is the built-in heat chamber from the reputable manufacturer FLIR. Its peephole (resolution 640 x 480) is located above the rear camera lens. The frame of the smartphone is powerful, the plugs are tight. The smartphone is extremely tenacious: it has successfully passed tests for compliance with the MIL-810G and IP68 certificates, that is, it can withstand a drop from 1.8 meters and immersion up to 5 meters. Its performance is maintained at ambient temperatures from -25 to 55 degrees.
- Display: IPS LCD 5.2 inches, resolution 1920 x 1080, pixel density 424 ppi
- Processor: Snapdragon 630
- RAM: 4 GB
- Flash memory: 64 GB (+ microSD slot for cards up to 256 GB)
- Camera: 16 MP main, 8 MP front
- Battery: 4500 mAh
- OS: Android 8.1 Oreo out of the box (there is an update to Android 9.0 Pie)
- Dimensions: 150 x 76 x 13 mm
- Weight: 250g
Price: from 47 500 rubles
The Cat S61 was announced at MWC 2018. The model succeeded the S60 - the world's first smartphone with a thermal camera. As expected, the Cat S61 received an advanced thermal imager and other AO improvements.
The thermal sensor operates in the range from -21 to 400 degrees C. For higher measurement accuracy, it uses the main camera of the smartphone with HD resolution (S60 worked with a VGA image of 640 x 480). The Cat S61 is capable of displaying temperature changes in real time, which is especially important when diagnosing electronic equipment, pipes, and similar procedures.
The gadget is equipped with a laser rangefinder (operates at a distance of 10 meters) and a VOC-sensor for studying the composition of air with a measurement frequency of 30 seconds.
With such a set of sensors, it’s easy to forget that the Cat S61 is a smartphone and can call. Full HD display has a diagonal of 5.2 inches, supports the work with gloves, recognizes touch wet fingers. It uses a Snapdragon 630 processor with 4 GB of temporary and 64 GB of permanent memory and a 16 MP rear camera. The device is powered by a 4500 mAh battery.
Like other protected Cat smartphones , the S61 model is IP68 dustproof / waterproof: it can withstand immersion to a depth of 3 meters and remains operational under water for an hour. This gadget is not afraid of salt fog. The aluminum frame complies with the MIL-810G standard and is capable of withstanding a drop from 1.8 meters.
The characteristics of the S61 are very specific. This model is intended for a narrow circle of users, and this is one of the best Cat smartphones, it works out its price to the last penny.
- Display: TFT 5 inches, resolution 1920 x 1080, pixel density 441 ppi
- Processor: MediaTek Helio P20
- RAM: 3 GB
- Flash memory: 32 GB (+ microSD slot for cards up to 256 GB)
- Camera: 13 MP main, 8 MP front
- Battery: 5000 mAh
- OS: Android 7.0 Nougat (Android 8.0 Oreo expected in 2019)
- Dimensions: 152 x 75 x 12.9 mm
- Weight: 218g
Price: from 22 000 rubles
The Cat S41 is a heavy-duty mid-range consumer for a wide audience. There is no thermal imager and air composition detector in it. This device is intended for use in harsh conditions, it will remain operational even after a serious blow.
Protection class IP68 allows the smartphone to dive to a depth of 2 meters for 60 minutes. Compliance with the MIL-STD 810G standard implies that the gadget will not receive damage if it falls from a height of 1.8 meters onto a concrete floor.
For hardware, the Cat S41 owner gets a 5-inch Full HD display with Super Bright technology and Gorilla Glass 5 protective coating. The screen supports gloves and wet hands. Inside is a MediaTek Helio P20 processor, 3 GB of system memory, 32 GB of storage and a 5000 mAh battery. The proprietary Cat Battery Share technology allows you to power other devices from the S41.
- Display: TFT 4.7 inches, resolution 1280 x 720
- Processor: Qualcomm Snapdragon 210
- Graphics Accelerator: Adreno 304
- RAM: 2 GB
- Flash memory: 16 GB (+ microSD slot for cards up to 64 GB)
- Camera: 8 MP main, 2 MP front
- Battery: 4000 mAh
- OS: Android 7.0 Nougat
- Dimensions: 146 x 74.4 x 12.6 mm
- Weight: 200g
Price: from 15 500 rubles
This is the most affordable Cat offering. The relatively low price does not mean at all that this smartphone is inferior in some way to its more expensive relatives. It is MIL-STD 810G certified. This is a high level of shock and vibration resistance, which implies that the smartphone will withstand a drop from 1.8 meters on a concrete surface. IP68 dust / moisture protection means that the S31 can be immersed to a depth of 1.2 meters. The smartphone will be able to work under water without problems for up to 30 minutes.
The 4.7-inch display recognizes touches of wet hands and gloves. The system is controlled by the Snapdragon 210 chipset with 2 GB of temporary and 16 GB of permanent memory. The device is powered by a 4000 mAh battery.