Is there a way to identify this coaxial cable? I am interested in model and parameters such as epsilon, diameters etc. There is nothing written.
That is Sucoform 141 or a clone. A semi-rigid coax with PTFE insulation, 71% velocity factor.
It's useable up to 33 GHz, though the SMA connectors won't go so high. Loss is about the same as RG-58. Power handling is pretty high.