The PE4150 from pSemi, A Murata Company is a RF Mixer with RF Frequency 136 to 194 MHz, LO Frequency 245.65 to 885.65 MHz, IF Frequency 44.85 to 109.65 MHz, Conversion Loss 6.5 to 8.7 dB, LO Drive - Power -10 to -6 dBm. Tags: Surface Mount. More details for PE4150 can be seen below.