For sale or trade is a Barco ClickShare R9861006BNA with 3 dongles.
We'll test the 3 dongles and the unit, everything is functional.
Same as this one https://avlgear.com/products/barco-r9861006r01-clickshare-r9861006bna-base-unit-rack-mount It comes with its power cable and a hdmi cable.
It has DP and DVI ports with a hdmi adapter plugged into the dvi port.
You put the dongle in the usb-a port of a laptop and it becomes visible as a thumb drive. You run the executable on it and push the button. Your screen content is sent to the receiver and then to the projector.