The AMMC-6550 from Avago Technologies is a RF Mixer with RF Frequency 15000 to 50000 MHz, IF Frequency 0 to 5000 MHz, Conversion Gain -10 dB, IP3 20 dBm, LO/RF Isolation 20 dB. Tags: Die, Image Reject Mixer. More details for AMMC-6550 can be seen below.