The SIM-U432H from Mini Circuits is a RF Mixer with RF Frequency 1100 to 3900 MHz, LO Frequency 1100 to 4250 MHz, IF Frequency 0.1 to 800 MHz, Conversion Loss 7.5 to 9.8 dB, P1dB 14 dBm. Tags: Surface Mount, Up-Conversion Mixer. More details for SIM-U432H can be seen below.