On Tue, Mar 25, 2025 at 9:19?AM Greg KF5N via <greg.electricity=[email protected]> wrote:
So that would be a reason for the isolation to degrade versus increasing frequency.
Because the module has common ground inductances on the input and output. Just a SWAG here, it's hard to tell without having a good visualization of the hardware.
But it's a common problem with any RF thing which has an input and an output and connectors.