Until the rule change last month, all my adult life portable electronic devices (PEDs) have not been allowed on commercial flights below 10,000 feet. Electronic devices were less common in the 80s and 90s, so people paid less attention the rule...
Toshiba’s FlashAir memory card. (via Toshiba)In a world where Wi-Fi can be found incorporated into just about everything, it only made sense that Toshiba would incorporate it into their new line of SDHC memory cards. Their new 32GB SDHC (Secure Digit...
Because of shortwave signals’ ability to bounce off the upper atmosphere, sounds coming through the headphones of a shortwave could originate anywhere in the world. Most of them come from religious organizations or governments promoting their v...
There's a saying in EMI that any conductive feature longer than a quarter wavelength can be an antenna. All it takes is one piece of metal a quarter wavelength long and another piece of metal to be the “ground” or the other half of the dipole. ...
I recently had the opportunity to test the Nordic nRF51822 Semiconductor System-on-a-Chip (SoC), which contains a Bluetooth Low Energy (BLE) transceiver and an ARM Cortex M0 processor to run the BLE stack. The Bluetooth Low Energy chip I ...
Quantum is the preferred adjective in space operas to ask the audience to suspend disbelief on something technical that doesn’t make sense. If there is a scenario where you to have something, say “Communication”, but it would not make sense for...
A few weeks ago when I started researching HD Radio, I found that there are few high-quality receivers. I asked Jessica Crotty of C. Crane, a high-end radio retailer, which radio they recommended. The answer was none of them. ...
What kind of practical information can we get when we connect a frequency domain reflectometry (FDR) analyzer to coax going to antenna outside? Last year when I reviewed the AEA Technology VIA Echo VNA, I covered the VNA and spectrum analyzer f...
In the past year Bluetooth low energy (BLE) has seen a surge in popularity. Despite its name, BLE is not that similar to conventional Bluetooth. One of its selling points is that you can design a BLE device to run off a 230mAh CR2032 Li c...
For all appcessory device manufacturers support of Bluetooth v4.0/Bluetooth Smart/Bluetooth Low Energy in Smartphone OS is the key to success. Apple with it's iPhone 4s and successor iPhone 5 has been the first smartphone manufacturer supporting Blue...
The Smallest Qi-Enabled Wireless Charging Pad Is Released by EsorunThis stylish round Qi-enabled wireless charging pad is the smallest wireless transmitter whose size is only 58(D)*10.4(T)mm. Elf possesses a built-in USB cable and is a green DIY wire...
Pre-order your Glowdeck nowpower - light - sound www.youtube.com/watch Smartphone users on the lookout for battery-powered wireless chargers, Bluetooth music players, and funky smart lights that bop to the beat will likely have to settle fo...
From now on it is possible to submit your application for the Bluetooth Breakthrough Awards in four different categories: Breakthrough Products—entries for products launched in 2013 and available for purchaseBreakthrough Applications—entries for soft...
Monster Watts, an innovator of mobile phone wireless charging accessories, is introducing the 5 in 1 iQ View wireless charging flip cover for the Samsung Galaxy S4. Despite the light and thin design, it still manages to combine:Wireless charging...
On 26th of September 2013 Texas Instruments is hosting »Texas Instruments.dahoam - Innovative Technologien«in Regensburg, Germany. Panasonic Industrial is joining this event with the Wireless Connectivity product range. Come and visit us.  ...
After having decent results testing my first HD Radio, I bought a JVC KT-HDP1 HD Radio receiver to test AM HD Radio. The performance was disappointing. The connectors were unusual sizes, except for the headphone output. None of the c...
A few months ago someone asked me where to find an HD radio. Despite my interest in radio, I had heard of HD but knew almost nothing about it. When I researched it, I learned that digital broadcasting (as expected) is much more effi...
In the past few weeks, I’ve written about challenges of industrial wireless (with a focus on Wi-Fi): multipath and interference. This last post will be about the greatest challenge: channel access latency. What is Fast?What does it mean wh...
I am always impressed at how crowded but usable the ISM bands are. Their popularity shows how many users prefer to share a crowded band than to get clear frequencies licensed by the government. Spectrum sharing is a microcosm of the human...
Earlier this week I wrote about the two-way radio show I attended. Handling the high-end radios designed for commercial and public safety use reminded me of how twenty years ago my friends and I in used to use these radios as ham radios. ...
Last week the local two-way radio vender in my area, General Communications, had an open house for customers to see their new facility and the radios they sell. Two-way radios were a hobby for me in the late 80s and 90s when I was in high schoo...
