The AMGP-6551 from Avago Technologies is a RF Mixer with RF Frequency 40500 to 43500 MHz, IF Frequency 0 to 3000 MHz, Conversion Gain 10 dB, IP3 9.59 dBm, LO/RF Isolation 15 dB. Tags: Surface Mount, Up-Conversion Mixer. More details for AMGP-6551 can be seen below.