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laforge, 02/21/2016 09:30 AM

Welcome to OsmoSDR

OsmoSDR is a 100% Free Software based small form-factor inexpensive
SDR (Software Defined Radio) project.

If you are familiar with existing SDR receivers, then OsmoSDR can be thought
of something in between a FunCube Dongle (only 96kHz bandwidth) and a USRP (much more expensive).
For a very cheap SDR (with limited dynamic range), you can use the DVB-T USB stick using the RTL2832U chip, as documented in rtl-sdr.

It consists of a USB-attached Hardware, associated Firmware
as well as GrOsmoSDR gnuradio integration on the PC.

The first generation hardware (1.2 MS/s) was available to interested developers from

We are currently doing a re-design for the second-generation hardware, featuring higher sample rate and other goodies.


Hardware schematics and firmware source code are kept in a git repository on

* web-browse the repository: "For a complete list of local wiki pages, see [[TitleIndex]].

h2. Picture

This is a (slightly better) picture of the current developer preview:


h2. Mailing List

We discuss both [[OsmoSDR]] as well as rtl-sdr on the following mailing list: [].
You can subscribe and/or unsubscribe via the following link: "h2. Credits

* Stefan Reimann of [ SR-Systems":] (electrical engineering, manufacturing)
* "Christian Daniel":, Matthias Kleffel and Thomas Kleffel of "maintech": (overall design, FPGA, rum-ba)
* "Harald Welte": of "sysmocom": (sam3u firmware development)

Files (2)
osmosdr.jpg View osmosdr.jpg 173 KB PCB photograph of OsmoSDR laforge, 01/01/2012 01:16 PM
osmosdr-beta.jpg View osmosdr-beta.jpg 145 KB OsmoSDR developer preview Hoernchen, 05/27/2012 05:22 PM

Updated by laforge about 8 years ago · 17 revisions

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