News

Hydrogen Line (1420 MHz) Pre-filtered LNA

Posted by GPIO Labs on

Jarek presented his work at the Canada Wide Science Fair on the use of Software-Defined Radio to detect 1420 MHz radio waves from outer space.

Read more →


Notch Filter Comparisons

Posted by GPIO Labs on

KIELYDILE has written a Blog post comparing Notch Filters.

Read more →


Open Source Radio Telescopes

Posted by GPIO Labs on

Check out the Open Source Radio Telescopes Project. They use our Red LNA with a bias-tee in their Amplifier Box B.

Read more →


Airband Filter

Posted by GPIO Labs on

A new Airband bandpass filter centered at 128 MHz. The filter has a bandwidth of 20 MHz.  The filter is designed to reject strong signals in the adjacent FM band.

Read more →


Spectrum Scanning Projects

Posted by GPIO Labs on

Jon has some spectrum scanning projects in which he uses our LNA and FM notch filters. It's interesting how he puts them into die-cast boxes. This is something we get asked about all the time. You can read about the projects here and here. Jon's wireless projects are definitely worth reading about.  

Read more →