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IoT is Finally Here, So We All Need to Rethink Our Approach to Security

The concept of millions of devices connected via the internet has been talked about for at least 15 years, but the challenge of getting the hardware costs down to the point of insignificance and working with unreliable and patchy connections has meant that it has taken until now for the idea take hold. While IoT […]

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Energy harvesting has given rise to low-power wireless sensors

New Applications for Energy Harvesting Blame it on the cell phone. As mobile phones morphed from wireless analogy telephones to handheld computers, users kept demanding more and more energy-consuming features,­­ such as web browsing, videos, gaming, and email, while still requiring extended battery life. Since battery makers were not much help, semiconductor manufacturers devised numerous

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The threat from LTE (4G) to 868MHz alarm systems

With a conservative figure of 33 million 868MHz receivers in situ, there’s a growing concern over the impact of 4G (LTE) and “Out Of Band” (OOB) interference. Ofcom (UK) issued a consultation document [i.55] on the technical parameters for alarms.  http://stakeholders.ofcom.org.uk/consultations/technical-licence-conditions/   In this they acknowledge the threat to alarms, but propose to do nothing

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