Antenna four to one ultimate QRO switch by OK2ZAW


Can be controlled by:

remoteqth server Easy Controller 4-1 order

Main functions:

The measured values


Insert loss

Isolation 1to4

Isolation 1toOUT

Easy Controller for this Switch LINK THERE

antenna switch Controller


Antenna switch
4 to 1 QRO, version 1 pcb sch 550
4 to 1 QRO, version 5.0 pcb sch 550
We believe open source is a better way of doing things.
View and download the Shield Schematic and PCB Kicad/Eagle CAD files,
LibreCAD .DXF, or Inkscape .SVG files.
The hardware designs are released under the
Attribution-NonCommercial 2.0 Generic

Users implementation photos