- FR-10X
General Purpose - FR-10Z
General Purpose - FR-11
SINGLE JUNCTION DROP-IN CIRCULATOR - FR-12
Single Junction Drop-In Isolator - FR-12SERIES
Single Junction Drop-In Isolator - FR-159
FAILURE REPORT - FR-1X
General Purpose - FR-1Z
General Purpose - FR-20W
General Purpose - FR-20Z
General Purpose - FR-21
dual junction drop-in isolator - FR-21SERIES
dual junction drop-in isolator - FR-30W
General Purpose - FR-31
surface mount circulator - FR-31SERIES
surface mount circulator