OTA: LimeNET Micro Files, a Serial Adapter SDR Hack, Origami Filters, and More

The board design files for the LimeNET Micro v2.0, which includes expanded bandwidth for the radio portion as well as making more features of the Raspberry Pi Compute Module 3 available, have now been published to the Myriad-RF GitHub repository. First announced back in October, the LimeNET Micro v2.0…
LimeNET Micro Clock Schematics

OTA: A Mysterious Signal, FPV Antenna Gimbals, Fox-1Cliff, and More

Popular software package SDR-Console is set to get transmit support on the LimeSDR range, from version 3.0.4 onwards – once beta testing is complete. The new feature of SDR-Console v3.0.4 was teased by Jason Fairfax on Twitter late last month. “Calling CQ SSB on 144.300 MHz from IO81rk,” he…
SDR-Console transmitting via LimeSDR, courtesy of Jason Fairfax

OTA: LimeNET Micro v2.0, mmWave-to-Optical Breakthrough, Satellite News, and More

The LimeNET Micro has received a few upgrades since its crowdfunding campaign, now in its last two weeks, launched, including considerably improved RF bandwidth, active Power-over-Ethernet (PoE), and both DSI and HDMI display connectivity. Designed to meld the LimeSDR with the Raspberry Pi Compute Module 3 to create a fully-standalone…
LimeNET Micro v2.0 Render

OTA: LimeNET Micro Improved, AfriCUBE, Reviving Analogue Cellphones, and More

The LimeNET Micro crowdfunding campaign continues, and has brought with it a welcome change to the design which will greatly increase the radio’s available bandwidth and sample rate while also adding support for camera and display accessories. Announced via a crowdfunding campaign late last month, the LimeNET Micro is the…
LimeNET Micro (underside)

GNU Radio Foundation Launches Interest Check for London Symposium

GNU Radio Foundation president Ben Hilburn has launched a questionnaire to gauge interest in a UK event for GNU Radio users and developers, tentatively titled the GNU Radio Symposium, which would run along with the existing European GNU Radio Days and GNU Radio Conference events. Originally developed by Eric Blossom…
GNU Radio Crowd

OTA: LimeNET Micro, OpenAirInterface, OsmoCon 2018 Videos, and More

Lime Microsystems has launched a crowdfunding campaign for the LimeNET Micro, an all-in-one device which combines the LMS7002M field-programmable radio frequency (FPRF) chip with a Raspberry Pi Compute Module 3, bringing the LimeNET family to its lowest price point yet. Designed with narrowband applications in mind, the LimeNET Micro operates…
LimeNET Micro

OTA: TIP Summit, Aircraft Reflections, 3D Printed Communications, and More

The team from Lime Microsystems will be at the Telecom Infra Project (TIP) Summit in London next week, with a range of LimeNET and CrowdCell demonstrations. Part of the cross-vendor Telecom Infra Project (TIP), founded to encourage openness and disaggregation in access, backhaul, and core & management of a modern…
University of Washington's 3D printed transmitters

OTA: LimeSDR FPGA Hacks, MarconISSta Update, Arm’s Open BLE Stack, and More

While most users of the LimeSDR focus on its LMS7002M radio frequency integrated circuit (RFIC), naturally enough, there’s flexibility to be found also in its field-programmable gate array (FPGA) – as proven by Gaspar Karm’s project to add a DC-removal filter into the board’s gateware. As the name suggests, a…
Rikard Lindström's 3D-printed LimeSDR Mini case

OTA: CrowdCell Hackathon, LimeSDR Projects, Alphabet’s Loon, and More

Vodafone and Lime Microsystems have announced the first in a planned series of annual hackathon events designed to benefit the Telecom Infra Project, focused on developing on top of the LimeSDR powered CrowdCell platform. A part of the Telecom Infra Project, which aims to drive innovation in the telecommunications arena…
Alphabet's Project Loon

OTA: EMF Camp Base Stations, LimeSDR in Space, GNU Radio, and More

LimeSDR units will be a key feature of this year’s Electromagnetic Field (EMF Camp) event, taking place in the UK this weekend, powering a local GSM cellular network for attendees’ use. Part camping festival, part gigantic temporary hackspace, Electromagnetic Field is this year held in Eastnor, UK, and on…
LimeSDR BTS, for EMF Camp 2018

OTA: OpenLST, Radiosonde Guidance, Wi-Fi Weapon Detection, and More

Satellite communications specialist Planet Labs has announced its entry into the open-source radio community, with an open-hardware device dubbed the OpenLST built exclusively using widely-available commercial off-the-shelf (COTS) parts. “Radio system design is often viewed as a ‘black box’ that is out of reach to all but the most experienced…
Planet Labs OpenLST

OTA: Cave Rescue Radios, Spectrum Pricing, Clones, and More

This fortnight’s big news was, of course, the successful rescue of 12 children and one adult stranded in a Thai cave by flooding, and there’s a surprise twist in the tale: the rescue was carried out using USB radio transceivers designed by a radio ham. Hackaday explains that members…
Virginia Tech SDR-based GPS spoofer