The AMMP-6546 from Avago Technologies is a RF Mixer with RF Frequency 18000 to 40000 MHz, IF Frequency 0 to 3500 MHz, Conversion Gain -11 dB, IP3 11 dBm, LO/RF Isolation 30 dB. Tags: Surface Mount, Sub-Harmonic Mixer. More details for AMMP-6546 can be seen below.