The 1219H-S from ACST GmbH is a Frequency Synthesizer with Frequency 250 to 370 GHz, Output Power 2 to 7 dBm, Supply Voltage 5.5 to 15 V, VCO Voltage 5.5 to 15 V, Operating Temperature 5 to 35 Degree C. Tags: Waveguide. More details for 1219H-S can be seen below.