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frequencies

Can a $650 gadget take down entire LTE networks?
Can a $650 gadget take down entire LTE networks?
Researchers at Virginia Tech seem to think so. The university says anyone with a $650 radio jammer and some background knowledge can temporarily ...... 15 Nov 2012 - 1 comment
     

Reviews

Roborock S8 MaxV Ultra review - obstacle avoidance doesn't work as it should, otherwise almost perfect robot vacuum Roborock S8 MaxV Ultra review - obstacle avoidance doesn't work as it should, otherwise almost perfect robot vacuum
We put the Roborock S8 MaxV Ultra through a very, very long review process. The $1800 mopping robot vacuum is almost perfect, but its obstacle avoidance was surprisingly bad, considering the price - and compared to its competitors.
Sharge x OnePlus Pouch review: Beautiful power bank that supports SuperVOOC charging Sharge x OnePlus Pouch review: Beautiful power bank that supports SuperVOOC charging
In our review, we take a look at Sharge's power bank that supports OnePlus SuperVOOC quick charging technology as well as standard USB PD charging. It has small design flaws, but despite those, the Pouch is very nice product.
1 user comment
Roomba Combo j7+ review - Clever trick allows robot vacuum finally to tackle home with rugs and carpets Roomba Combo j7+ review - Clever trick allows robot vacuum finally to tackle home with rugs and carpets
Roomba Combo j7+ is the very first Roomba model to combine robot vacuum with mopping features. And Roomba Combo j7+ does all that with a very clever trick, which tackles the problem with mopping and carpets. But is it any good? We found out.

Guides

Guide: Is Your Wi-Fi Sluggish or Slow? Here's How to Fix Guide: Is Your Wi-Fi Sluggish or Slow? Here's How to Fix
Do you have problems with you Wi-Fi? Slow connection or is it cutting off constantly? This guide aims to remedy these problems.
1 user comment
What happens if you don't update Android? What happens if you don't update Android?
Sometimes it can be tempting to avoid updating to a new Android version. What happens if you decide to delay major updates to the OS?
What IP rating for dust and water resistance means What IP rating for dust and water resistance means
An IP classification (such as IP68) is given to mobile phones, Bluetooth speakers, and other devices, but what do these classifications mean?
1 user comment
Does your phone rattle? Here's why it happens Does your phone rattle? Here's why it happens
When you shake your phone and hear a light rattle, clatter, or jingle, it's likely not broken. The culprit is probably the optical image stabilization (OIS) system in your phone's camera, meaning everything is functioning as it should.
2 user comments
Guide: Phone battery drains quickly - how to fix (iPhone / Android) Guide: Phone battery drains quickly - how to fix (iPhone / Android)
In this guide, we go through the most typical reasons for rapid battery drain with phones, and look at potential reasons or solutions.

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