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Posted 20 hours ago

Caterpillar CAT S53 Black 6.5" 128GB 5G Unlocked & SIM Free Smartphone

£9.9£99Clearance
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The aperture (f-stop number) indicates the size of the lens diaphragm opening, which controls the amount of light reaching the image sensor. The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds to the maximum possible diaphragm opening. To enhance its portability, the Cat Q10 has a long-life battery to keep connected devices online for longer, with up to 10 hours of constant use. Plus, users can remove and swap the battery, extending the time it will stay powered when out of reach from a charging source.

Pixels are usually measured in microns (μm). Larger ones are capable of recording more light, hence, will offer better low light shooting and wider dynamic range compared to the smaller pixels. On the other hand, smaller pixels allow for increasing the resolution while preserving the same sensor size.With its 6.5" HD+ super-bright display optimized for outdoor visibility, you can view crips and clear images even on sunny days. It even works when your hands are wet or wearing gloves. Camera With the CAT S53, the manufacturer also brings 5G connectivity to one of its outdoor phones for the first time. Quite a lot of frequencies are available for the currently fastest mobile standard and also for 4G, so you can surf the mobile Internet with the smartphone even when traveling. The mobile reception proves to be good during our random tests in the test period, but not quite on the level of high-end smartphones.

The CAT S53 is a classic ruggedized phone that is well protected against environmental influences and drops thanks to its bulky and heavy chassis. It comes with 5G, NFC, wireless charging, and a color-accurate screen. Analitikai sütik Ezek az Ön tevékenységeinek nyomon követésére szolgálnak adatelemzés céljából, mint például a reklámozás hatékonyságának értékelése, személyre szabott tartalom felajánlása./span> A beautiful display offers clear images optimized for usage outdoors and the best camera on any CAT phone. Rugged The battery runtimes are convincing, the fingerprint sensor and touchscreen work reliably, and the bright integrated flashlight keeps the user safe even in dark environments. On the other hand, every smartphone nowadays offers a permanently activatable LED flash, so an additional flashlight is probably just a nice gadget in the end.

Verdict - Bulky outdoor phone with good runtimes

Networks A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other. GSM The S53 smartphone's built-in fingerprint reader, thoughtfully engineered and flawlessly integrated, grants users the peace of mind they seek when it comes to secure access and data protection. Designed with user convenience in mind, the S53 smartphone features a proximity sensor that detects the presence of objects or hands, facilitating hands-free operation and preventing accidental inputs. The S53 smartphone is equipped with an integrated ambient light sensor, which accurately measures the ambient lighting conditions and adjusts the screen brightness in real-time, ensuring optimal visibility in any environment. The CAT S53 is a true ruggedized phone that is not only protected against water and dust but can also withstand drops well due to its reinforced chassis and the recessed screen. This is also noticeable in the weight: at 320 grams, the CAT Phone is not lightweight, even among outdoor phones. With up to 45.1 °C on the front, the CAT S53 can already get quite warm at room temperature under load. It could also become uncomfortable to hold the phone on hot days. However, this does not affect the performance: 99.1% of the initial frame rate is still achieved at the end of the 3DMark stress test.

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