The 980-4,980-4K from Weinschel by Spectrum Control is a Mechanical Phase Shifter with Frequency DC to 12 GHz, Phase Shift 290 Degrees @ 12 GHz, Power W 10 W, Power 40 dBm, Insertion Loss 1 dB. Tags: Module with Connector. More details for 980-4,980-4K can be seen below.