Caterpillar: Two new rugged phones and a tablet to the IFA

At IFA 2017, Caterpillar will be presenting three new outdoor devices, which are based on the seal specification MIL-STD-810G and are sealed against salt water, frost or metal and oil mist. For the first time the manufacturer also shows a rugged tablet based on Windows.

Suitable for outdoor use

The new Smartphones S31 and S41 represent the new entry and mid-class of the manufacturer. Compared to the predecessors was dedicated above all to the display and also otherwise the technical specifications were renewed.

The display diagonal increases to five inches at the S41. The resolution is doubled to Full HD. The dusty Snapdragon-210-SoC differs from a relatively current MediaTek Helio P20 (MT6757). The memory increases to 3 gigabytes of RAM and 32 gigabytes of system memory. In view of the various applications, in which the user often has no power source, the battery also grows to 5,000 mAh, which according to the manufacturer should allow for talk times of up to 39 hours. The battery power can also be delivered to other devices with an OTG cable supplied with the scope of delivery.

If outer decorative elements were used in the predecessor of the S40, the manufacturer strokes them and completely uses the shock-absorbing plastic. As demonstrated by the Cat S50 test, the design offered by Cat Phones is extremely sturdy, but it was those smooth trim elements that made superficial scratches.
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The Cat S31 experiences similar innovations. The memory is doubled, the display is enlarged and the resolution is slightly raised. The SoC is easily polished from a snapdragon 210 to 212.

Both Android Nougat, the usability with wet fingers and gloves as well as the certification according to IP 68 and MIL-STD-810G mean. The standard serves as a test standard for military equipment. Both falls fall just under two meters in height, and are also suitable for temperatures between -25 and 55 degrees Celsius, providing a seal against oil and metal dust fog and are protected against aggressive cleaning and solvents. They are also sealed against fresh and salt water – the Cat S31 up to 35 minutes in 1.2 meters of water depth, the Cat S41 up to 60 minutes at a depth of 2 meters.


Now also with Tablet on Expedition

With its new Tablet T20, Cat is able to meet customers’ needs that require a larger device but can not necessarily carry a rugged notebook, such as the Panasonics Toughbook series.

The tablet weighs 650 grams and, like its smartphone colleagues, offers a MIL-STD-810G certification. It is also waterproof up to 30 minutes in a water depth of one meter. The technical basis is an Intel Atom Z8350 with a clocking of a maximum of 1,92 gigahertz. The display measures eight inches in the diagonal and resolves at 1,280 × 800 pixels. The Cat T20 LTE Cat 4 offers the possibility to work even outside of WLAN networks.

All three devices will soon be available. For the Cat S31 the manufacturer calls 329 euros. The price recommendation of the Cat S41 is around 450 euros. The T20 is to cost 650 euros. In the course of the fair, ComputerBase was able to secure a test copy of the S41. An outdoor test is planned.


Cat Phones T20
Cat Phones S41 (Dual SIM)
Cat Phones S31 (Dual SIM)
(upon appearance)
Windows 10 Android 7.0
Display: 8,00 inch
1.280 × 800, 189 ppi
IPS, Gorilla Glass
5,00 inch
1.080 × 1.920, 441 ppi
IPS, Gorilla Glass 5
4,70 inch
720 × 1.280, 312 ppi
IPS, Gorilla Glass 3
Service: Touch
SoC: Intel Atom x5-Z8350
4 × Airmont, 1,92 GHz
14 nm, 64-Bit
MediaTek MT6757
4 × Cortex-A53, 2,30 GHz
4 × Cortex-A53, 1,60 GHz
16 nm, 64-Bit
Qualcomm Snapdragon 212
4 × Cortex-A7, 1,30 GHz
28 nm, 32-Bit
GPU: Intel HD Graphics 400
500 MHz
Mali-T880 MP2
900 MHz
Adreno 304
400 MHz
RAM: 2.048 MB
3.072 MB
2.048 MB
Storage: 64 GB (+microSD) 32 GB (+microSD) 16 GB (+microSD)
Camera: 5,0 MP 13,0 MP, 1080p
8,0 MP, 1080p
Secondary camera: No
Front camera: 2,0 MP 8,0 MP 2,0 MP
↓42,2 ↑5,76 Mbit/s
↓42,2 ↑5,76 Mbit/s
LTE: And
↓150 ↑50 Mbit/s
↓300 ↑50 Mbit/s
↓150 ↑50 Mbit/s
WLAN: 802.11 a/b/g/n 802.11 b/g/n
Wi-Fi Direct
Bluetooth: 4.1
tracking Systems: A-GPS, GLONASS A-GPS, GLONASS, BeiDou
Other standards: Micro-USB 3.0, Mini-HDMI Micro-USB 2.0, NFC Micro-USB 2.0
SIM card: Nano-SIM Nano-SIM, Dual-SIM
Battery pack: 7.500 mAh
firmly installed
5.000 mAh
firmly installed
4.000 mAh
firmly installed
Size (W × H × D): 220,0 × 143,0 × 14,00 mm 75,0 × 152,0 × 12,90 mm 74,4 × 146,0 × 12,60 mm
protection: IP67 + MIL-STD-810G IP68 + MIL-STD-810G
Mass: 650 g 218 g 200 g
Price: 649 € 449 € 329 €


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