News

Lime Micro has announced that the first batch of LimeRFE boards has now been shipped to Crowd Supply, with all backers’ orders expected to be fulfilled by the end of June. Designed to bring the same flexibility as the LimeSDR range to the radio-frequency front-end field, the programmable LimeRFE promises…

Radio amateur Rob Swinbank has written of a project to help filter out an annoying 6m noise source, using a LimeSDR board and GNU Radio to remove the noise and provide a cleaner signal. “Got a another small Yagi pointing at my 6m noise source and can now cancel it…

Lime Microsystems are just about to begin shipping the LimeRFE. This is a software-controlled multi-band and wideband PA and preamp, specifically designed to work with the LimeSDR. The initial specification is on the CrowdSupply website, but essentially it…

Lime Microsystems has published a video demonstrating how the LimeSDR-powered LimeNET CrowdCell can ease the provision of private and community Long Term Evolution (LTE) networks – including using the system’s general-purpose compute to run edge workloads. “As of late 2019 anyone in the UK can obtain a licence from Ofcom…

A fork of the Kalibrate project is now available for LimeSDR users looking for improved frequency accuracy without the need for a signal generator or spectrum analyser, thanks to the work of developer Supreeth Herle. Originally designed for receive-only software defined radios, the forked Kalibrate – known as Kalibrate-LMS –…

Satellite communications engineer Phil Crump has published an open-source design for an external TCXO frequency reference board for the LimeSDR Mini and other devices in the LimeSDR family. “This PCB provides an external, thermally separate, TCXO Frequency Reference to the LimeSDR Mini board,” Phil explains of the project. “I built…

Traverse Technologies has showcased the flexibility of its Ten64 eight-core Linux-based networking platform for wireless use, demonstrating its compatibility with the LimeSDR USB and GNU Radio. “There has been quite a bit of interest in using Ten64 for software-defined radio (SDR) applications,” the company explains, “so we have put together…

The open-source srsLTE cellular communications suite has hit version 20.10, bringing new functionality including mobility functions and performance-enhancing PHY changes – and a range of bug-fixes, too. The srsLTE 20.10 release brings with it a new logging framework alongside initial NR PHY layer and stack components. The srsENB package receives…

Parkland High School student Victor Cai has presented work on a proof-of-concept short-range RADAR system, built around a LimeSDR Mini, at the GNU Radio Conference 2020 (GRCon20). Victor’s experimental system, presented with supporting paper during the virtual GRCon20 event, combines an off-the-shelf laptop running GNU Radio with a LimeSDR Mini…

Lime Suite v20.07.1 has officially launched, bringing a range of improvements to the LimeSDR-focused software bundle – including a fix for a bug which was causing quick tests of LimeSDR Mini boards to fail. In its latest release, Lime Suite v20.07.1 repairs a recently-discovered bug which would manifest as intermittent…

New release of Lime Suite includes numerous improvements, along with support for the LimeRFE RF front-end, plus packaging for Ubuntu 20.04.

Vilnius Gediminas Technical University student Ugnius Buržinskis has released a video demonstrating a drone hijacking system, designed to prevent unauthorised uncrewed aerial vehicles (UAVs) from entering a restricted area, powered by a LimeSDR Mini. Using the LimeSDR Mini, housed in a protective casing and connected to an off-the-shelf laptop running…