The AM3090 from Atlanta Micro is a Tunable Filter with Frequency 100 to 225 MHz / 150 to 450 MHz, Tunable Frequency 100 to 225 MHz/ 150 to 450 MHz, Bandwidth 125 MHz / 300 MHz, Rejection 40 dB, Input Power 27 dBm. Tags: Surface Mount, Digitally Controlled. More details for AM3090 can be seen below.