OTA: LoRa Testing, Homebrew Antennas, Reactor Monitoring, and More

Acoustic Communications at Argonne National Laboratory

Engineer Mark Zachmann has posted of his work using the LimeSDR Mini to test low-power long-range LoRa radios, as part of an Internet of Things (IoT) project. “I’m working on a LoRa system at 915MHz. LoRa is a frequency modulation method used on low power IOT devices. Being able to see spectral lines, decipher messages…

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OTA: One-Box Cellular, Finalised 5G, Altair-Powered SDR, and More

Thought Emporium's Wi-Fi Camera Image

Community member Lucas Riobó has, alongside colleagues Francisco Veiras, María Garea, and Patricio Sorichetti, announced a novel use for a LimeSDR: software-defined optoelectronics. “In this work, we propose a general architecture for the implementation of Software-Defined Optoelectronic systems (SDOs),” Lucas explains in the forum post announcing the early-access publication of his team’s paper. “As an…

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OTA: Python SNAs and VNAs, High-Frequency Trading, Linux Containers, and More

Cyril (@kotzebuedog on Twitter)'s Homebrew Antenna

A new Python package, pyLMS7002Soapy, has been published as a more feature-packed replacement for the old pyLMS7002M library – bringing with it bundled examples which use the LimeSDR or LimeSDR Mini as a scalar or vector network analyser (SNA/VNA). Uploaded to the Myriad RF GitHub repository late last month the new PyLMS7002Soapy package aims to…

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OTA: Shipping Updates, Drones, Sirens, OsmoCon2018, and More

Chuck Swiger's "LimeSDR Rocks" Waterfall Demo

Fulfilment of the LimeSDR Mini, GPIO Board, Companion Board, Grove Starter Kit, and Hacker Case continue to progress, with Crowd Supply estimating that the final items will have been sent out by the end of May. Backers waiting for a LimeSDR Mini will be pleased to hear shipment continues in weekly batches, with all pre-orders…

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OTA: Saving a Satellite, RAN Competition, 3D-Printed Foxhole Radios, and More

Sage Hansen's Foxhole Radio

Dr. Danny Webster’s Wireless Masterclass series continues with a look at more advanced digital radio concepts and implementations including the detection and reduction of data loss The fourth in an ongoing series of presentations, Wireless Masterclass 4 follows on from the introductory video for those new to digital radio, an in-depth look at the LimeSDR…

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OTA: LimeSDR Mini on Android, Quantum Radio, 5G and More

QRadioLink

QRadioLink developer Adrian Musceac has shown off how the LimeSDR Mini can be connected to a smartphone for on-the-go software-defined radio reception and transmission, in the latest demonstration update to the Crowd Supply campaign. Using the GNU Radio-based QRadioLink running on an Android smartphone, a USB battery pack, and a USB On-The-Go (OTG) adaptor cable,…

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OTA: LimeSDR Mini Success, Biconic Dipoles, RadFxSat, and More

LimeSDR Mini Basestation Demo

The LimeSDR Mini crowdfunding campaign has come to its close with almost three times its target raised, meaning production is now on-track for the first units to ship to backers by the end of the year. A post-campaign update from Andrew and the LimeSDR Mini team provides thanks for all those who have backed the…

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OTA: Masterclass Videos, RFI, C-Band Reuse and More

LimeSDR Mini on a LattePanda

If you’re looking for an in-depth deep dive into digital radio and the inner workings of the LMS7002M and LimeSDR you’ll want to look out for Dr. Danny Webster’s Wireless Masterclass series, the first of which has been uploaded to YouTube. Based on presentations from the LimeSDR Workshop held back in March in partnership with…

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OTA: Beginner’s Guides, PocketEPC, GRAVES and More

GRAVES spectrum plot

Karl Woodward’s LimeSDR Made Simple series continues on the Myriad-RF blog with two new hands-on posts: a simple practical example and implementing an FM radio receiver through Pothos. Following on from the first and second entries in the series, Karl’s latest posts are designed to take the theory into the realm of practice. The third…

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OTA: LimeNET Success, LimeSDR Guides, Bluetooth Mesh, and More

LimeNET Core

The LimeNET crowdfunding campaign has successfully closed its funding run, meaning production will go ahead on the open-source LimeSDR-powered all-in-one base stations, and with the backing of communications giant Vodafone. Just prior to the campaign’s close, Vodafone announced that it would be providing backing for the LimeNET launch and its App Store platform. Based around…

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