Smart TVs have been The Next Big Thing in tech for the past several years and to an extent reality is living up to the hype. Sales of Smart TVs are soaring — from 52 million in 2011 to 141 … Continue reading

The primogenitor of Near Field Communication (NFC) – illustrated previously in this series – Radio Frequency Identification (RFID) is a mid-20th century technology deployed across the globe for all and sundry purposes. Its usage is so ubiquitous that many of … Continue reading

In May 2016 when we examined Bluetooth, readers will recall that it connects devices using radio waves across relatively short distances, typically up to 10 meters. But while Bluetooth is a hoary technology — at least by the standards of … Continue reading

Mention a TV antenna to the baby boomer crowd and one is likely to hear windy anecdotes about TV before cable with three or five over-the-air (OTA) channels and “rabbit ear” antennas. Now it’s back to the future as “cutting … Continue reading

Although “Wi-Fi” has become a more or less generic term for wireless transmission, it in fact is a trademark of the Wi-Fi Alliance. Wi-Fi CERTIFIED™, a registered trademark, is only allowed to describe products that have “undergone rigorous testing by … Continue reading

A network analyzer — sounds like a good idea but what is it and what does it do? Perhaps more accurately described as a Wi-Fi analyzer, this tool maximizes the efficiency and performance of  computing devices, both on private and … Continue reading

Known as Domain Name System, DNS is an Internet service that ciphers domain names into Internet Protocol (IP) addresses. “The DNS is the central database of the internet, and without it, the internet would cease to exist as we know … Continue reading

Travel routers aka pocket routers aka mobile routers are a specialized type of broadband router specifically meant to connect with mobile devices. These handy gizmos are designed for the business traveler’s convenience with features such as: Battery Operation. Many travel … Continue reading

From laptops to smartphones to digital cameras to video game consoles and beyond, the 802.11 family of media access controls (MAC) and physical layer specifications (PHY) determine how wireless local area networks (WLANs) function. Commonly called WiFi, the original specifications … Continue reading

Satellite telephones, sat phones or satphones are extraterrestrial mobile phones linked to orbiting satellites rather than land-based cellular towers. While bandwidth is limited compared to the latest 4G SmartPhones, satphones essentially have the same capabilities as terrestrial mobile phones. Typically … Continue reading

Wondering what to do about pricey cell phone calls? Struggling with data caps and throttling? Mired in an area with patchy cellular service? Consider Wi-Fi calling, available for both Android and iOS Smartphones. It’s a free service over a Wi-Fi … Continue reading

Wi-Fi and Cellular: at first blush, most of us consider them both wireless technologies — i.e., radio — but share little else in common. So how different are they? Turns out, not much at all. Both use transmitters and receivers. … Continue reading

Developed by Bell Laboratories in the late 1950s, the T-Carrier (T-CXR) is a classification of digital transmission services for multiplexed analog voice communication. During the 1950s, AT&T sought more economical and efficient means to provide growth at the local telco … Continue reading

Also the name of a family of multiplatform optical carriers made by now-defunct Nortel Networks, SONET is an acronym taken from the words Synchronous Optical Networking. Per techopedia.com, it “is a standardized digital communication protocol used to transmit a large … Continue reading

Perhaps you’ve heard how cable TV subscribership in the U.S. is on a downward glide. Why? Viewers are “cutting the cable” in favor of content streamed over the Internet rather than paying exorbitant prices for channel tiers (which invariably include … Continue reading

Whether one calls it “My-Moh” or “Me-Moh,” multiple input – multiple output (MIMO) technology is an integral part of today’s wireless communication standards. By deploying multiple antennas at the source and destination to transmit and receive data, MIMO manipulates multipath … Continue reading

New Wine Into Old Wineskins? The latest version of Data Over Cable Service Interface Specification, DOCSIS 3.1 is the cable industry’s latest strategy to transform the venerable coaxial cable into a medium that approaches the data capacity and transmission speeds … Continue reading

Dip Before the Plunge The stuff of science fiction in the mid-20th century, Virtual Reality (VR) simulates or replicates physical, three-dimensional occupancy in a computer-generated milieu. This environment can be either imaginary or based on real events or places. All … Continue reading

An integral part of the Internet of Things (IoT), Smart light bulbs communicate wirelessly with internet-connected devices. Of course, these aren’t old school incandescent bulbs or even CFL lamps; they’re LEDs that typically use apps from a smartphone, laptop, tablet … Continue reading

Updated: October 24, 2016 In the short span of 20-something years, Americans who once shared a POTS landline with a home phone and computer now use dedicated high speed Internet access and, in many cases, no home POTS at all. … Continue reading

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