The PH-23-A from Pulsar Microwave is a RF Mixer with LO Frequency 2.3 to 2.4 GHz, IF Frequency 70 MHz, Conversion Loss 9 dB, LO Drive - Power 23 dBm, P1dB 18 dBm. Tags: Surface Mount, Triple Balanced Mixer. More details for PH-23-A can be seen below.