The HJK-272H+ from Mini Circuits is a RF Mixer with RF Frequency 600 to 2700 MHz, LO Frequency 600 to 2700 MHz, IF Frequency 10 to 1000 MHz, Conversion Loss 7.7 to 8.9 dB, LO Drive - Power 17 to 20 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HJK-272H+ can be seen below.