PE3W18911 is a QMA female bulkhead to SMA female bulkhead cable using 1/4" Superflexible coax. This Pasternack QMA female bulkhead to SMA female bulkhead cable assembly uses a 50 Ohm QMA for connector 1 and a 50 Ohm SMA for connector 2.
Our female QMA bulkhead to female SMA bulkhead cable assembly uses a corrugated cable type that is 50 Ohm. Pasternack PE3W18911 QMA female bulkhead to SMA female bulkhead cable assembly is constructed with 1/4" Superflexible coax.