The QBM-2500-18000 from Qualwave is a RF Mixer with LO Frequency 2.5 to 18 GHz, IF Frequency DC to 6 GHz, Conversion Loss 10 dB, LO Drive - Power 13 to 20 dBm, LO/RF Isolation 30 dB. Tags: Module with Connectors. More details for QBM-2500-18000 can be seen below.