Type A. With 3 Panda PMF connectors, connector key is aligned to slow axis. With 900um loose-tube fibers, 1-meter long. New released products, we ordered directly from manufacturer.

The Polarization Maintaining Optical Circulator is a compact high performance light wave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. The component provides high isolation, low insertion loss, high extinction ratio, and excellent environment stability.

Operating Wavelength Range: ±30 nm.

See 2-sample test data and actual specification at last pdf link below. See general specification at the 1st pdf link below.

Some samples are in 2pc packing, so you might not get original pack if you only buy 1pc.