A friend purchased a couple of BDCOAX data pass through to connect antennas on her trailer for ham radio. The company used to make a version with single hole in the center for an ethernet port, but they have since “upgraded” to a version that includes two keystone slots. This is great if you want coax and / or ethernet, but what if your antennas require a UHF SO-259 connector?
Anyway, I'm still learning as far as creating designs, but this one is a close enough facsimile to do the job and keep the weather out.
UPDATE 4/23/25: Uploaded versions for Antenna 1 and one without a number
The author marked this model as their own original creation.