The DBL030 from R & K Company Limited is a Frequency Multiplier with Input Frequency 10 to 1500 MHz, Output Frequency 20 to 3000 MHz, Input Power 10 to 13 dBm, Supression F 13 to 30 dBc, Supression 3F 20 to 35 dBc. Tags: Surface Mount. More details for DBL030 can be seen below.