Comparison of mobile operating systems

When choosing a smartphone, the operating system (OS) is the very first important parameter you get to decide, followed by its hardware, functions or design. To help you decide which one to choose, this article offers an overview of the available operating systems and their strengths and weaknesses.

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VoLTE

VoLTE (Voice over LTE) is an LTE technology that enables voice service over LTE. The standard must be supported by both your phone operator and the phone itself in order to work. Its advantages are high call quality and faster network connection.

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MasterPass - The best way to shop online

Enjoy fast and secure payment using the new MasterPass service from MasterCard. Read more »

ZigBee

The ZigBee protocol is the perfect tool for automating the management of smart home appliances, and it plays an important role in the Internet of Things (IoT) world. Its key benefit is the ability to use the devices of different manufacturers while maintaining their mutual compatibility and ease of operation.

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Climate Class

Climate classes (T, ST, N, SN) indicate the optimal outdoor temperature in which a freezer will operate. If the outdoor temperature is outside of the recommended range, the freezer's energy consumption increases, which may affect its performance. If a freezer is designated two or more climate classes, this means it will function throughout the whole temperature range. For example, a freezer designated SN-N-ST will operate in an ambient temperature of 10-38 °C.

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Z-Wave

Z-Wave is the perfect tool for automated smart home appliance management and plays a dominant role in the Internet of Things (IoT). Its key benefit is the ability to use the devices of different manufacturers while maintaining their mutual compatibility and ease of use.

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How to choose an IP camera

Installed in both businesses and households, IP cameras are designed for surveillance of indoor and outdoor spaces. Unlike CCTV, IP cameras can transmit data via a computer network and the internet.

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Co musíte vědět o neutrálních, šedých a přechodových filtrech

Omezený dynamický rozsah současných fotoaparátů vám pomohou překlenout neutrální šedé a přechodové filtry. Zejména v krajinářské fotografii je jejich úloha nezastupitelná. Veškeré potřebné informace o těch šedých sklíčcích se dozvíte v našem dnešním článku!

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How to Choose a Mobile Phone (2022)

Looking for a phone for serious executive work, your grandparents, or simply for taking selfies? We'll help you choose a phone that will serve you well for a long time.

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Co musíte vědět o polarizačních filtrech

S pořízením digitální zrcadlovky a několika objektivů se může stát, že fotografování začne opravdu bavit a fotograf se začne rozhlížet, jak svým fotografiím co nejvíce pomoci. Prvním, jednoznačně nejužitečnějším příslušenstvím je polarizační filtr. Situací, kde polarizační filtr fotografované scéně pomůže, je mnoho. Stejně tak je ovšem mnoho chyb, kterých se můžete při jeho používání dopustit. V dnešním článku se pokusím sepsat vše důležité, co byste měli před koupí polarizačního filtru vědět. 

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4K Resolution (Ultra HD)

4K technology offers four times the detail when compared to FullHD, so when you look at your favourite movie on a 4K TV, you'll find details you've never seen before.

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How to Choose a Tablet

With such a wide range of models available, each with a variety of equipment and features, choosing the right tablet can be a tricky process. To help make it easier, we've prepared this handy guide to choose a tablet, which provides a summary of the most important tablet features and parameters.

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TFT display

A method of rendering LCD-display images. In this case, the image is formed by a thin film of transistors. A thin part of the display consists of small transistors that control individual picture points, or pixels. Unlike previous technologies, it has brought high image quality, high contrast, lower power consumption and smaller size. Today, the biggest advantage of TFT displays is the price. Compared with premium OLEDs, they also have a significantly longer life.

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Bluetooth

Bluetooth is the communication tool used by a huge amount of electronics. Learn how the frequency signal is generated and how it's used. In a simple overview of the different versions, we will show how Bluetooth has evolved and been refined. You can also learn something about the specifications and security of this communication standard.

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Powerball - perfect for exercise and physiotherapy

Strengthen, stretch, and regenerate your muscles, no matter where you are. The powerball is a great exercise tool for athletes as well as people who spend long hours at a computer or play a keyboard or woodwind instrument. The powerball is also a useful aid when recovering from wrist injuries or carpal tunnel syndrome.

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Affordable 3D Printers for Personal Use

3D printers are devices that create three-dimensional models of objects based on digital artwork. What are the main types of 3D printers and can they find their use in an ordinary household? Our article explains all this and much more.

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Jak vybrat přímotop? (PRŮVODCE)

Nevíte si rady s výběrem přímotopu? Rádi vám poradíme. V našem článku jsme se zaměřili nejen na důležité aspekty při jeho výběru, ale i na jednotlivé výhody a také nevýhody, které s sebou každý typ přináší.

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Behold the superlative new Samsung Galaxy A3 and A5

The Samsung Galaxy A3 and A5 are the first of many astounding smartphone models scheduled for release this year. Do they offer anything new? What is the difference between them? Why choose one of these models? This article answers these questions and much more.

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Working interactively with Wacom products

Do you wish to start painting? Work regularly with any graphics software? Try the Wacom products, which allow you to focus on the idea and let the pen tablet handle the rest.

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