The SIM-83LH+ from Mini Circuits is a RF Mixer with RF Frequency 1700 to 8000 MHz, LO Frequency 1700 to 8000 MHz, IF Frequency DC to 3000 MHz, Conversion Loss 5.7 to 8.9 dB, LO Drive - Power 10 dBm. Tags: Surface Mount, Double Balanced Mixer, Down-Conversion Mixer, Up-Conversion Mixer. More details for SIM-83LH+ can be seen below.