PE3W04221 is a MMCX jack to MMCX plug cable using RG178 coax. This Pasternack MMCX jack to MMCX plug cable assembly uses a 50 Ohm MMCX for connector 1 and a 50 Ohm MMCX for connector 2.
Our jack MMCX to plug MMCX cable assembly uses a flexible cable type that is 50 Ohm. Pasternack PE3W04221 MMCX jack to MMCX plug cable assembly is constructed with RG178 coax.