The DBL020 from R & K Company Limited is a Frequency Multiplier with Input Frequency 1 to 500 MHz, Output Frequency 2 to 1000 MHz, Input Power 10 to 13 dBm, Supression F 15 to 35 dBc, Supression 3F 25 to 35 dBc. Tags: Surface Mount. More details for DBL020 can be seen below.