Over The Air – Page 2

OTA: Portsdown Gets LimeSDR Mini 2.0 Support, RFNM Preps a Lime Daughterboard, A Sculpture Becomes an Antenna, and More

The British Amateur Television Club (BATC)’s Portsdown digital TV transmission platform has received an update, bringing with it drop-in support for the using the new LimeSDR Mini 2.0. “The previous facilities that worked with the LimeSDR Mini V1 and the LimeSDR USB now also work with the LimeSDR Mini V2,”…

OTA: Vodafone Shows Off a Palm-Size 5G Base Station, OpenBTS-UMTS Gets Rebooted, Osmocom CNI Updates, and More

Vodafone has shown off a palm-size 5G base station, powered by a Raspberry Pi 4 single-board computer with Lime Microsystems software-defined radio technology inside – in an effort to make private cellular networking and edge computing more accessible. “We looked at what Raspberry Pi did for computing, in terms of…

OTA: LimeSDR Mini 2.0 Ships, CyberEther on iOS, SDRangel on Android, a DECT “Playground,” and More

Backers of the LimeSDR Mini 2.0 have started to receive their hardware, following delivery of the first production batch – with enough to fulfil all existing orders and more. “The first batch of LimeSDR Mini 2.0 boards have been manufactured, tested, and delivered to our UK headquarters,” Lime Micro’s Andrew…

OTA: Satellite Imagery, GRCon22 Talks, Osmocom Funding, SIM Simulation, and More

LimeSDR users have been showing off their satellite imagery successes on social media, capturing data from NASA’s Terra, Suomi-NPP, NOAA-20, and more and decoding it to great effect. “Here it is,” writes Peter Kooistra on Twitter, while sharing images including the one adorning this newsletter. “My first Terra with…

OTA: A Double LibreCellular Milestone Month, LimeSDR Mini 2.0 Updates, Vintage Cellular, and More

It’s been a bumper month for the LibreCellular project with not one but two major milestones to celebrate: The first end-to-end test of the continuous integration (CI) system and the first basic service network offering connectivity to real-world 4G Long Term Evolution (LTE) devices. “We are pleased to report that…

OTA: LimeNET Micro-powered Nautilus, Ham Base Station, New Lime Suite, and More

The LibreCellular project has reached another milestone with the development of a low-cost 1,800MHz medium power amplifier design targeting 4G Long Term Evolution (LTE) Band 3. “While suitable low power RF amplifiers are available at a modest cost, as the power output increases to a watt or more the cost…

OTA: LibreCellular Hardware, LimeSDR on Android, SDR on the Steam Deck, and More

The LibreCellular project has reached the milestone of having a reference base station and related continuous integration (CI) subsystems completed with initial documentation, bringing it a step closer to its goal of open cellular communication for all. Launched in May last year, LibreCellular is an effort which aims to provide…

OTA: Private 4G on the LimeSDR Mini 2.0, Update Osmocom URLs Now, Better Satellite Imagery, and More

Lime Microsystems’ Andrew Back has shown off the capabilities of the upcoming LimeSDR Mini 2.0, building a private 4G LTE cellular network using srsRAN. “In this latest video we demonstrate a LimeSDR Mini v2 being used with the open source srsRAN software to create a private 4G mobile network complete…

OTA: LimeSDR Mini 2.0 Campaign Closes, 96MHz Bandwidth Experiments, LibreCellular Progress, and More

The crowdfunding campaign for the LimeSDR Mini 2.0, an upgraded full-duplex software-defined radio built around a more powerful, flexible, and easily-sourced FPGA, has drawn to a close as a resounding success – and now the work of getting the hardware into peoples’ hands begins. The LimeSDR Mini 2.0 is based…

OTA: LimeSDR Mini 2.0, Project CAMARA, a Commercial LimeNET Base Station Call, and More

Lime Microsystems has announced the LimeSDR Mini 2.0, an upgraded version of the smallest member of the LimeSDR range featuring a considerably improved field-programmable gate array (FPGA) – boosting its flexibility. Since its launch in 2017, the LimeSDR Mini – a single-channel full-duplex software defined radio built on the same…

OTA: ADS-B Tracking at the Terminal, Open RAN Silicon, Beginner’s Guides, and More

Developer Wayne Campbell has released version 0.5.1 of rsadsb, a Rust-based ADS-B aircraft tracking system with a text-mode user interface — bringing with it its first support for LimeSDR devices. “Release v0.5.0 of rsadsb is now released,” Wayne writes of the launch. “Use any SDR supported by SoapySDR. If any…

OTA: X-Band Beams Images from Space, SDR-based Malware Detection, srsRAN Tutorial, and More

Arved Viehweger is among a growing number of LimeSDR users turning their attention to X-Band satellite communications – receiving impressive high-resolution imagery from Russia’s ARKTIKA-M1 satellite. Launched in February 2021 as the first in the ARKTIKA constellation and serving as an Arctic monitoring system, ARKTIKA-M1 transmits at the lower end…