This is for one tested Farinon 15-20 GHz SMA-m Isolator with 20dB isolation.

2-4 GHz 20dB isolation SMA Microwave Isolator E&M Laboratories S30T28 TESTED

This is for one new Quest 5-7.2GHz SMA-fm Isolator with 20dB isolation.

MICA Microwave T-217S03 SMA 17-21 GHz isolator 18 dB tested see analyzer plots

MICA Microwave T-808S24, SMA 8-14 GHz isolator tested see analyzer plots

One MICA Microwave T-217S03 SMA RF Isolator 17-21 GHz 18 dB

1 narda IOS 2040 SMA RF Coaxial Isolator. 20dB 2-4GHz.

Isolator 1H169 FC9559 7.6-12.7 GHz tested see plot SMA .1-.3 dB InsLoss 20dB Iso