The SYM-63LH+ from Mini Circuits is a RF Mixer with RF Frequency 1 to 6000 MHz, LO Frequency 1 to 6000 MHz, IF Frequency DC to 1000 MHz, Conversion Loss 7.5 to 9.5 dB, LO Drive - Power 10 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for SYM-63LH+ can be seen below.