The QDPS5-15-18.5 from Qualink Microwave is a Digital Phase Shifter with Frequency 15 to 18.5 GHz, Phase_Shift 360 Degrees, Phase Step 11.25 Degree, Power dBm 23 dBm, Power W 0.2 W. Tags: Module with Connectors. More details for QDPS5-15-18.5 can be seen below.