The HRM-IC-17-21 from HRmicrowave is a Down Converter with RF Frequency 17 to 21 GHz, LO Frequency 27 to 34 GHz, IF Frequency 12 to 16 GHz, Conversion Gain 10 dB, Spurious 55 dBc. Tags: Module with Connectors. More details for HRM-IC-17-21 can be seen below.