Interesting coincidence that you are discussing how you used SDR-Console / SDRPlay to track RFI from DECT cordless phones. For the first time - I did just that this week while helping a friend. We are

Allen ~ I've been using a tablet PC with the SDR Play RSP1A and SDR-Console (earlier and current versions). Use it with portable loop antennas to locate RFI. Using it that way for almost 4 years now.

Until your mis-directed post, I had no idea what WS19 might be. Searching groups.io for "WS19". . . I discovered a whole new (for me) world of interesting stuff. The closest I got was to own some WW2