The 57ZT-2.2G from JFW Industries is a 50-Ohm to 75-Ohm Impedance Matching Transformer that operates from 5 to 2200 MHz. It can handle an average input power of 0.25 W, has an insertion loss of 0.65 dB, and a VSWR of less than 1.3:1. This transformer has an operating temperature range of –20 °C to +85° C. It is available with SMA/BNC/N-type (50 ohms) connector options on one end and BNC/N/F-type connector options (75 ohms) on the other end.
