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The Signal

Education

Three squares with different images in them. First are people with headsets, second a phone with a copy cup and note pad next to it, and third a person speaking into a mic

What Is Streaming? 

With all the time we spend binge watching our go-to content, most of us would consider ourselves experts at streaming. But few of us have a knowledge of the technology that’s actually behind...

11 min read
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Young daughter sitting on her father’s lap while learning how to use a new cell phone.

What Age Should a Kid Get a Phone?

9 min read
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A person sat outdoors with a phone and a laptop.

4 Best Satellite Phones for 2025, Our Picks: Stay Connected Anywhere

7 min read
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Teens in a circle holding their cellphones.

What is eSIM?

7 min read
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Woman using a laptop and looking at a document she is holding.

What Is The Average Phone Bill Per Month In 2025?

4 min read
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An example of RCS messaging.

RCS Messaging: What It Means for Android and iPhone Users

9 min read
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A hand holding an Apple Airtag.

What Is An AirTag And How Do They Work?

5 min read
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A smiling woman on an airplane scrolling on her phone while sitting next to a man typing on his laptop.

How Does Airplane Wi-Fi Work?

3 min read
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Top of a cell phone tower with multiple signal antennas in front of a sunset at dusk.

What is 3G?

3 min read
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A wireless charger on a nightstand, charging a smartphone and smartwatch.

How Does Wireless Charging Work?

9 min read
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A person using a cellphone on roaming.

What Is Data Roaming? A Guide to Managing Cellular Data Usage 

8 min read
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A lady enjoying her phone with a SIM card.

What Is A SIM Card?  

7 min read
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Binary code with a lock symbol over it.

What Is An IMEI Number & How Can I Find Mine? 

6 min read

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