The MDH510 from R & K Company Limited is a RF Mixer with LO Frequency 1 MHz to 1 GHz, IF Frequency DC to 1 GHz, Conversion Loss 6 to 10 dB, LO Drive - Power 17 dBm, P1dB 8 dBm. Tags: Drop-In, Double Balanced Mixer. More details for MDH510 can be seen below.