News

Luigi Cruz has released version 3.0 of PiSDR, an SD Card image for the Raspberry Pi pre-loaded with software defined radio tools compatible with the LimeSDR – and, as of this latest release, the LimeNET Micro too. This latest release of Cruz’ PiSDR includes support for the Raspberry Pi 4…

Lime Microsystems has published an interview with Gerhard Burian, David Rowe, and Steve Sampson on using FreeDV Mode 2020 for transmitting digital voice via the Es’Hail-2 satellite’s amateur radio transponder (QO-100) using just 1,600 Hz of radio frequency bandwidth. “The bandwidth regulation on the [QO-100] narrow band transponder, being 2,700…

The LimeRFE software-definable RF front-end has officially passed verification in its updated v1.0 revision form, with production of the backer boards on-track for a late-January shipping schedule. As detailed back in August, the LimeRFE board – which offers low-noise amplification, power amplification, and filtering under software control from the LimeSDR…

Manufacturing of the LimeNET Micro is underway, after initial volume production was delayed by selected components entering end-of-life (EOL) status. “A few of the parts we were planning to use went end-of-life just as we were in the process of setting up a volume production run,” explains Lime Micro’s Andrew…

Salil Tembe has published a guide on using GNU Radio and a LimeSDR Mini to transmit a comma-separated value (CSV) text file over the airwaves. “We have seen the LimeSDR Mini several times on this blog,” Salil writes in the introduction to the piece. “So far, we have only seen…

The Osmocom open-source cellular communications project has released an updated Cellular Network Infrastructure (CNI) stack, which brings with it improved support for the LimeSDR family. “The Osmocom project has released new version of the CNI (Cellular Network Infrastructure) software, including OsmoTRX, OsmoBTS, OsmoBSC, OsmoMGW, OsmoMSC, OsmoHLR, OsmoSGSN, OsmoGGSN,” project maintainer…

Community member Luigi Cruz has written up how he modified a LimeNET Micro to take part in the Galmon global navigation satellite system (GNSS) monitoring network. “In this blog post, I will explain how I managed to get a GNSS multi-constellation monitor called Galmon working on my LimeNET Micro,” Luigi…

LimeSDR Mini and LimeSDR USB owners seeking additional cooling should take a look at the Hacker Gadgets Lime Active Cooling (AC) Case, heading to Crowd Supply next month. Designed to provide both a protective enclosure and active, rather than the more usual passive, cooling, the Hacker Gadgets Lime AC Case…

The Field Report Contest is now complete, and we have a winner – named in a live drawing at Crowd Supply’s headquarters earlier this month. Designed to highlight the amazing projects the community has built around the LimeSDR family of software defined radios, the Field Report competition saw some strong…

MyriadRF has stretched to the stars this week with the official launch of the SDR Satcom initiative, a collaboration between Lime Microsystems and the European Space Agency (ESA) Designed to help lower the barrier to entry in the satellite communications industry, SDR Satcom combines the low-cost high-performance LimeSDR Mini software…

The LimeRFE crowdfunding campaign has a new, lower-cost option: the same programmable software-defined front-end board but without the components needed to operate in cellular bands, as an alternative for radio amateurs. “We’ve had some enquiries as to whether it would be possible to make a reduced cost version of LimeRFE…

Schematics for the LimeRFE software-definable front-end module for LimeSDR and LimeNET devices have been released, as part of Lime Microsystems’ pledge that it will be fully open hardware. “We’ve had a number of requests to share the LimeRFE schematic diagrams, and we’re pleased to report that they are now available…