The SYM-11LH+ from Mini Circuits is a RF Mixer with RF Frequency 1 to 2000 MHz, LO Frequency 1 to 2000 MHz, IF Frequency 10 to 600 MHz, Conversion Loss 7 to 8.3 dB, LO Drive - Power 10 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for SYM-11LH+ can be seen below.