2-Port SMA RF Circulator/Isolator Agilent GS-9200 MPCA

One JQL JCM1200T1610 RF microwave coaxial circulator

Frequency Sources FS-16 RF Power Splitter Combiner 5-Port SMA/N-Female

DiTom D3I1218-2 Microwave SMA RF Isolator or Circulator or??

DiTom DF9006-3 Microwave SMA RF Isolator or Circulator or??

High Frequency RF Isolator T-85731-5 | P/N 24022 | Microwave Circulator

Diton ( DiTom ?) DF7187-2 Microwave SMA RF Isolator or Circulator or??

Western Microwave Labs J2028 RF Circulator 7.5-10.5 GHz SMA (F) tested see plots