The QIMP3050 from Qualwave is a Impedance Matching Pad with Frequency DC to 3 GHz, Input Power 50 W, Operating Temperature -10 to 50 Degree C, Storage Temperature -40 to 70 Degree C(Non-Operating), VSWR 1.25:1. Tags: Connectorized, 50 to 75 Ohms. More details for QIMP3050 can be seen below.