The DBM-500 from Qorvo is a RF Mixer with RF Frequency 1700 to 4200 MHz, IF Frequency 0 to 100 MHz, Conversion Loss 6.5 dB, IP3 8 dBm, LO/RF Isolation 10 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for DBM-500 can be seen below.