Tutorials

What is an IR repeater?

Sometimes you need to think differently. For most people who want to use a remote control to shoot through walls, our NextGen Remote Extender is the best bet. It turns any remote with an AA or AAA battery…


A technical guide to the LNB

Signal Group Forum User VOS is known throughout the blogosphere for his insights on RF Engineering. We’re extremely lucky to have his analysis of two DIRECTV LNBs. I’m happy to have an AIM meter for a little…



OK, we all know 3G and 4G. What was 1G?

We talk all the time about 3G and 4G. We even mention 5G every so often. These cellular standards may be full of confusing technical jargon, but it boils down to, if you’re not getting 4G…






The problem with Wi-Fi Calling

Who doesn’t love Wi-Fi calling? It’s rolling out this year to all the major carriers and advanced phones. It’s a great low-cost way to improve your voice service in the home or office. Wi-Fi calling uses…



What is closed captioning?

You’ve seen it. Closed captions are the words on the screen available on almost every program. Some of us think of them as useful for when your spouse is sleeping or on the phone. Yes, they’re…