# General Discussion

**URL:** https://discourse.myriadrf.org/c/general-discussion/13.md?page=1

[Latest](https://discourse.myriadrf.org/latest.md) · [Categories](https://discourse.myriadrf.org/categories.md)

**Page:** 2

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## [GSM Network with LimeXTRX and LimeSuiteNG](https://discourse.myriadrf.org/t/gsm-network-with-limextrx-and-limesuiteng/8806)

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**Author:** [@ivan.p](https://discourse.myriadrf.org/u/ivan.p)\
**Replies:** 0\
**Last updated:** [15 May 2025 17:20 UTC](https://discourse.myriadrf.org/t/gsm-network-with-limextrx-and-limesuiteng/8806 "2025-05-15T17:20:14Z")

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Hi MyriadRF Community, I’m exploring the possibility of setting up a GSM network using the LimeXTRX hardware with LimeSuiteNG, leveraging popular tools like OpenBTS, OsmoBTS, or similar software stacks. Given that LimeX…

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## [Integrating LimeSuiteNG with Kalibrate-LMS for LimeSDR-XTRX Support](https://discourse.myriadrf.org/t/integrating-limesuiteng-with-kalibrate-lms-for-limesdr-xtrx-support/8804)

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**Author:** [@ivan.p](https://discourse.myriadrf.org/u/ivan.p)\
**Replies:** 0\
**Last updated:** [15 May 2025 12:56 UTC](https://discourse.myriadrf.org/t/integrating-limesuiteng-with-kalibrate-lms-for-limesdr-xtrx-support/8804 "2025-05-15T12:56:34Z")

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Hi MyriadRF Community, I’m currently looking into the feasibility of integrating LimeSuiteNG support with Kalibrate (specifically, the kalibrate-lms version found at https://github.com/myriadrf/kalibrate-lms). The prima…

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## [FMCW radar using LimeSDR for range and angle estimation](https://discourse.myriadrf.org/t/fmcw-radar-using-limesdr-for-range-and-angle-estimation/8787)

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**Author:** [@meghraj1902](https://discourse.myriadrf.org/u/meghraj1902)\
**Replies:** 1\
**Last updated:** [29 April 2025 08:19 UTC](https://discourse.myriadrf.org/t/fmcw-radar-using-limesdr-for-range-and-angle-estimation/8787 "2025-04-29T08:19:39Z")

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Hi Team, could you please tell me which limesdr I can use for implementing a prototype where I can implement a FMCW radar so that it can measure range and angle of an object in front of the radar. FYI, I need two recei…

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## [Massive LimeSDR XTRX Deployment Solutions](https://discourse.myriadrf.org/t/massive-limesdr-xtrx-deployment-solutions/8753)

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**Author:** [@matchu](https://discourse.myriadrf.org/u/matchu)\
**Replies:** 1\
**Last updated:** [9 April 2025 08:15 UTC](https://discourse.myriadrf.org/t/massive-limesdr-xtrx-deployment-solutions/8753 "2025-04-09T08:15:45Z")

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I’m designing a project that requires simultaneous wide bandwidth capture across 4 receive channels. The cost of running 4x 120MS/s XTRX’s is dramatically less expensive then the USRP counterparts, hence my interest. I …

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## [Exporting XTRX register configuration](https://discourse.myriadrf.org/t/exporting-xtrx-register-configuration/8744)

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**Author:** [@aardric](https://discourse.myriadrf.org/u/aardric)\
**Replies:** 5\
**Last updated:** [9 April 2025 06:46 UTC](https://discourse.myriadrf.org/t/exporting-xtrx-register-configuration/8744 "2025-04-09T06:46:31Z")

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Is there an undocumented incantation to save all register settings to an ini file from within gr-limesuiteng or would I need to hack something? The objective is to examine registers in detail for debugging and configurat…

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## [Fairways XTRX FPGA pinout available?](https://discourse.myriadrf.org/t/fairways-xtrx-fpga-pinout-available/8660)

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**Author:** [@zener](https://discourse.myriadrf.org/u/zener)\
**Replies:** 4\
**Last updated:** [20 March 2025 21:40 UTC](https://discourse.myriadrf.org/t/fairways-xtrx-fpga-pinout-available/8660 "2025-03-20T21:40:32Z")

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Hi, I bought a XTRX board and PCIe adapter a few years ago and would like to spend some time to play with it. Is the schematics and/or FPGA pinout available for this board somewhere? I tried the Fairwaves web site, bu…

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## [Building against limesuite-ng](https://discourse.myriadrf.org/t/building-against-limesuite-ng/8655)

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**Author:** [@awdmesh](https://discourse.myriadrf.org/u/awdmesh)\
**Replies:** 40\
**Last updated:** [15 March 2025 10:57 UTC](https://discourse.myriadrf.org/t/building-against-limesuite-ng/8655 "2025-03-15T10:57:43Z")

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No issues building/compiling limesuite-ng as a test on 24.04. All went well. The problem I’m seeing is after install when trying to build SatDump and/or SDR++ which both have native support for limesuite are unable to f…

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## [Having issue with installing soapysdr-module-lms7 on wsl Ubuntu](https://discourse.myriadrf.org/t/having-issue-with-installing-soapysdr-module-lms7-on-wsl-ubuntu/8658)

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**Author:** [@yhj753](https://discourse.myriadrf.org/u/yhj753)\
**Replies:** 8\
**Last updated:** [25 February 2025 20:02 UTC](https://discourse.myriadrf.org/t/having-issue-with-installing-soapysdr-module-lms7-on-wsl-ubuntu/8658 "2025-02-25T20:02:04Z")

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Hello, I am currently using Ubuntu 22.04 and trying to install LimeSuite following: sudo add-apt-repository -y ppa:myriadrf/drivers sudo apt-get update sudo apt-get install limesuite liblimesuite-dev limesuite-udev l…

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## [Limepcie load failure after kernel tag update](https://discourse.myriadrf.org/t/limepcie-load-failure-after-kernel-tag-update/8666)

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**Author:** [@aardric](https://discourse.myriadrf.org/u/aardric)\
**Replies:** 6\
**Last updated:** [25 February 2025 16:55 UTC](https://discourse.myriadrf.org/t/limepcie-load-failure-after-kernel-tag-update/8666 "2025-02-25T16:55:06Z")

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This post is a request for any advice on what information I can dig up and provide or steps that I could take to make this report useful to development, testing or deployment of the latest XTRX driver and LimeSuiteNG cod…

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## [LimeSDR XTRX and antennas](https://discourse.myriadrf.org/t/limesdr-xtrx-and-antennas/8672)

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**Author:** [@vinsongo](https://discourse.myriadrf.org/u/vinsongo)\
**Replies:** 0\
**Last updated:** [25 February 2025 12:07 UTC](https://discourse.myriadrf.org/t/limesdr-xtrx-and-antennas/8672 "2025-02-25T12:07:07Z")

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For the LimeSDR XTRX, what is recommended on how to bring in the RF coax cables from the antennas to the mini PCIe board?

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## [Some tech questions about the LimeSDR XTRX ecosystem](https://discourse.myriadrf.org/t/some-tech-questions-about-the-limesdr-xtrx-ecosystem/8632)

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**Author:** [@darek\_m](https://discourse.myriadrf.org/u/darek_m)\
**Replies:** 12\
**Last updated:** [24 February 2025 11:02 UTC](https://discourse.myriadrf.org/t/some-tech-questions-about-the-limesdr-xtrx-ecosystem/8632 "2025-02-24T11:02:02Z")

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Dear All, I have some technical questions about the LimeSDR XTRX HW: The data sheet says that the maximum RF bandwidth is more than 100 MHz. However, the user gasparka asked about the filtering that limits the bandwi…

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## [Connecting LimeSDR USB-A to pothos](https://discourse.myriadrf.org/t/connecting-limesdr-usb-a-to-pothos/8643)

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**Author:** [@yhj753](https://discourse.myriadrf.org/u/yhj753)\
**Replies:** 4\
**Last updated:** [7 February 2025 07:39 UTC](https://discourse.myriadrf.org/t/connecting-limesdr-usb-a-to-pothos/8643 "2025-02-07T07:39:41Z")

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Hello, I recently installed a driver and connected LimeSDR USB to LimeSuite and Radio console but i couldn’t to PothosFlow. How can i connect limesdr to the pothos flow?

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## [Sweep jamming with limesdr mini 2.0](https://discourse.myriadrf.org/t/sweep-jamming-with-limesdr-mini-2-0/8612)

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**Author:** [@sweeper\_23](https://discourse.myriadrf.org/u/sweeper_23)\
**Replies:** 3\
**Last updated:** [6 January 2025 05:02 UTC](https://discourse.myriadrf.org/t/sweep-jamming-with-limesdr-mini-2-0/8612 "2025-01-06T05:02:47Z")

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Hello, i want to apply sweep jamming with the limesdr mini 2.0. in order to do that i need frequency hopping as fast as 5-10 micro seconds per hop. can anyone tell me if the limesdr mini 2.0 is capble of this hopping rat…

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## [Freelancer help needed - New project feasibility](https://discourse.myriadrf.org/t/freelancer-help-needed-new-project-feasibility/8564)

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**Author:** [@luison](https://discourse.myriadrf.org/u/luison)\
**Replies:** 8\
**Last updated:** [27 December 2024 10:15 UTC](https://discourse.myriadrf.org/t/freelancer-help-needed-new-project-feasibility/8564 "2024-12-27T10:15:21Z")

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Hello, We are a startup company designing a communication system for a flying drone. Our raw idea is to put a LimeSDR on the drone, and another LimeSDR on the ground, and create a RF link as a general datalink, so we c…

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## [Could Someone Give me Advice on Configuring LimeSDR Mini for a Reliable 4G LTE Downlink?](https://discourse.myriadrf.org/t/could-someone-give-me-advice-on-configuring-limesdr-mini-for-a-reliable-4g-lte-downlink/8601)

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**Author:** [@davidcook](https://discourse.myriadrf.org/u/davidcook)\
**Replies:** 1\
**Last updated:** [17 December 2024 09:08 UTC](https://discourse.myriadrf.org/t/could-someone-give-me-advice-on-configuring-limesdr-mini-for-a-reliable-4g-lte-downlink/8601 "2024-12-17T09:08:15Z")

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Hello there, :wave: I am working on setting up a LimeSDR Mini to experiment with receiving and analyzing 4G LTE signals. I have been following the basics from online documentation; but I am running into some challenges …

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## [REFCLK writing](https://discourse.myriadrf.org/t/refclk-writing/8559)

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**Author:** [@malj](https://discourse.myriadrf.org/u/malj)\
**Replies:** 4\
**Last updated:** [21 November 2024 08:46 UTC](https://discourse.myriadrf.org/t/refclk-writing/8559 "2024-11-21T08:46:58Z")

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I have 4 limeSDRs that I would like to have daisy chained on the clock. I’m using a python code to set it up and was calling limeSPI for writing the fpga register according to LimeSDR-Mini v2.4 - external clock But from…

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## [Limesuiteng example code help](https://discourse.myriadrf.org/t/limesuiteng-example-code-help/8552)

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**Author:** [@pixelated](https://discourse.myriadrf.org/u/pixelated)\
**Replies:** 6\
**Last updated:** [4 November 2024 17:54 UTC](https://discourse.myriadrf.org/t/limesuiteng-example-code-help/8552 "2024-11-04T17:54:12Z")

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I’m very new in developing in C++ and I can’t quite seem to compile and run the example codes that was provided in the limesuiteng repo. Limesuiteng was built from source, so shouldn’t the included files to link the libr…

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## [Two soaptLime sinks not working in gnuradio](https://discourse.myriadrf.org/t/two-soaptlime-sinks-not-working-in-gnuradio/8550)

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**Author:** [@malj](https://discourse.myriadrf.org/u/malj)\
**Replies:** 1\
**Last updated:** [31 October 2024 16:00 UTC](https://discourse.myriadrf.org/t/two-soaptlime-sinks-not-working-in-gnuradio/8550 "2024-10-31T16:00:35Z")

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Hello, I have bought 2 limesdr mini v2.4s and trying to use them both at the same time from gnuradio companion but getting a channel already in use error QSocketNotifier: Can only be used with threads started with QThr…

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## [LimeUtil xtrx not found data of device](https://discourse.myriadrf.org/t/limeutil-xtrx-not-found-data-of-device/8528)

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**Author:** [@Peerapong](https://discourse.myriadrf.org/u/Peerapong)\
**Replies:** 26\
**Last updated:** [22 October 2024 01:47 UTC](https://discourse.myriadrf.org/t/limeutil-xtrx-not-found-data-of-device/8528 "2024-10-22T01:47:14Z")

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I was followed the step to setup Lime suite: Lime Suite - Myriad-RF Wiki. Then I did a gr-limesdr:Gr-limesdr Plugin for GNURadio - Myriad-RF Wiki. Then I try to find the device of pci → lspci then I tried LimeUtil …

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## [Question on performace](https://discourse.myriadrf.org/t/question-on-performace/8537)

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**Author:** [@yileku](https://discourse.myriadrf.org/u/yileku)\
**Replies:** 3\
**Last updated:** [21 October 2024 15:14 UTC](https://discourse.myriadrf.org/t/question-on-performace/8537 "2024-10-21T15:14:17Z")

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I wrote code that sends a small block of bits with a timestamp from the local clock. I configure the Lime SDR v2 in loopback with the RF port connected to the TX port. I also wrote a digital loopback that takes I/Q sa…

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## [LimeSuiteNG can't set setAntenna() to auto?](https://discourse.myriadrf.org/t/limesuiteng-cant-set-setantenna-to-auto/8515)

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**Author:** [@pixelated](https://discourse.myriadrf.org/u/pixelated)\
**Replies:** 1\
**Last updated:** [14 October 2024 08:09 UTC](https://discourse.myriadrf.org/t/limesuiteng-cant-set-setantenna-to-auto/8515 "2024-10-14T08:09:28Z")

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In the original LimeSuite I could set the function setAntenna to auto, but it seems that LimeSuiteNG no longer allows that. Was there a reasoning for this? I’m currently using a LimeSDR mini 2.0 with the soapy plug-in, …

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## [RF loopback lock](https://discourse.myriadrf.org/t/rf-loopback-lock/8504)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 16\
**Last updated:** [4 October 2024 15:24 UTC](https://discourse.myriadrf.org/t/rf-loopback-lock/8504 "2024-10-04T15:24:26Z")

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I have my mini sdr v2 connected with an RF cable from TX to RX. I am trying various different frequencies to see if my applications ‘locks’ on TX and RX frequencies that are not the same. So far I get lock when the TX/…

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## [Dvbt2, orange pi 5 plus, and LimeSDR](https://discourse.myriadrf.org/t/dvbt2-orange-pi-5-plus-and-limesdr/8508)

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**Author:** [@shokat](https://discourse.myriadrf.org/u/shokat)\
**Replies:** 2\
**Last updated:** [30 September 2024 10:53 UTC](https://discourse.myriadrf.org/t/dvbt2-orange-pi-5-plus-and-limesdr/8508 "2024-09-30T10:53:25Z")

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When I run dvbt2 transmitter examples from gr-dtv without any hardware, “Probe Rate” block in GRC shows 15e6 samples per second at the output of the Tx (which needs about 9 Msps to work in real-time.) Next, I connected …

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## [What board version is this it is a Mini SDR](https://discourse.myriadrf.org/t/what-board-version-is-this-it-is-a-mini-sdr/8511)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 1\
**Last updated:** [30 September 2024 10:33 UTC](https://discourse.myriadrf.org/t/what-board-version-is-this-it-is-a-mini-sdr/8511 "2024-09-30T10:33:07Z")

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sdr@raspberrypi:~ $ LimeUtil --update Connected to \[LimeSDR Mini \[USB 3.0\] 1D40E13C0638D2\] Update not supported: UNKNOWN\[HW=4\]

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## [uSDR M.2 SDR sample applications](https://discourse.myriadrf.org/t/usdr-m-2-sdr-sample-applications/8510)

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**Author:** [@navturk](https://discourse.myriadrf.org/u/navturk)\
**Replies:** 1\
**Last updated:** [29 September 2024 21:49 UTC](https://discourse.myriadrf.org/t/usdr-m-2-sdr-sample-applications/8510 "2024-09-29T21:49:32Z")

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Hello friends, please share your sample applications here. \*\*\*\*

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## [Restarting the Mini SDR v2](https://discourse.myriadrf.org/t/restarting-the-mini-sdr-v2/8498)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 1\
**Last updated:** [26 September 2024 06:39 UTC](https://discourse.myriadrf.org/t/restarting-the-mini-sdr-v2/8498 "2024-09-26T06:39:57Z")

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I setup the mini sdr v2 with all the parameters and start the rx and tx streams. I then want to change the frequency. What is the procedure for setting a new frequency ? Just set the frequency and continue Set the fr…

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## [Lime SDR mini V2 - Support for hire](https://discourse.myriadrf.org/t/lime-sdr-mini-v2-support-for-hire/8482)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 8\
**Last updated:** [23 September 2024 20:28 UTC](https://discourse.myriadrf.org/t/lime-sdr-mini-v2-support-for-hire/8482 "2024-09-23T20:28:21Z")

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I have a demonstration coming up. I was going to do with the Lime SDR V2, but I need some expert support in order to make it happen otherwise I will have to try the Ettus B205. Is there any expert out there who can ans…

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## [Desired sample rate to best sample rate for mini v2](https://discourse.myriadrf.org/t/desired-sample-rate-to-best-sample-rate-for-mini-v2/8487)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 5\
**Last updated:** [20 September 2024 13:35 UTC](https://discourse.myriadrf.org/t/desired-sample-rate-to-best-sample-rate-for-mini-v2/8487 "2024-09-20T13:35:00Z")

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I am getting this error. Is there a way to get the best sample rate for the mini v2 from a “requested” sample rate? set\_rx\_samplerate:552 Set RX sample rate 274285.000000 SetFrequencyCGEN(1.09714 MHz) - cannot deliver…

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## [Explanation of messages please](https://discourse.myriadrf.org/t/explanation-of-messages-please/8488)

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**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 3\
**Last updated:** [20 September 2024 08:32 UTC](https://discourse.myriadrf.org/t/explanation-of-messages-please/8488 "2024-09-20T08:32:05Z")

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As I setup the mini sdr v2 I get the following messages. Can someone tell me which ones are errors and how to correct them? thanks, set\_rx\_frequency:448 Set RX frequency 1400000000.000000 set\_rx\_bandwidth:519 Set RX …

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## [Mini V2 Antenna selection](https://discourse.myriadrf.org/t/mini-v2-antenna-selection/8478)

<div class="topic-metadata">

**Author:** [@midnight](https://discourse.myriadrf.org/u/midnight)\
**Replies:** 3\
**Last updated:** [18 September 2024 17:31 UTC](https://discourse.myriadrf.org/t/mini-v2-antenna-selection/8478 "2024-09-18T17:31:38Z")

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Should the LMS\_SetAntenna be selecting the antenna based on the frequency? I see in the RF loopback tests that there are two antennas. Which frequency ranges should be used for which antenna? -\>Run Tests (TX\_2 → LNA\_W…

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