Author: Ray Keefe

  • Antennas – The History

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    Ray Keefe
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    Introducing Andrew Walla This is a guest blog article from Andrew Walla who is an expert in Radio Frequency Engineering (RF), particularly focusing on small form factor Antennas. So the emphasis is on compact antennas which fits in with our recent emphasis on the Internet of Things (IoT).   A couple of other caveats. Notable omissions…

  • I Nearly Retired

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    Ray Keefe
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    Manufacturing Profits you can retire on I was talking with one of our past clients a little while ago. They told me they had a problem. They said, “Ray, I nearly retired“! So I asked them what that meant. And they explained.   We had developed a product for them a decade ago. The total…

  • 5G and IoT

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    Ray Keefe
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    5G for IoT Thanks to the team at VDC Research who compile some very useful information on Embedded and IoT (Internet of Things) trends. It is free to join and the deal is that you contribute to their surveys in order to get access to some reports for free. They also do detailed reports for…

  • Cellular IoT Communications

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    Ray Keefe
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    LPWAN = Low Power Wide Area Network LPWAN is typically thought about as cellular data networks but that involves a contradiction since cellular and low power are inherently in conflict with each other. For instance, a standard 3G or 4G cellular modem will have a peak current draw of up to 2A during transmission and…

  • Connect Expo 2017

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    Ray Keefe
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    Connect Expo The Connect Expo is on each year around late March in Melbourne at the Exhibition and Convention Centre. I had gone to previous events but this was our first time as an exhibitor.   This was by far the best Connect Expo I have been to. The mix of software vendors, web platform vendors,…