The AM3039 from Atlanta Micro is a miniature digitally tunable lowpass filter with a cutoff frequency from 9 to 18 GHz. The filter provides 32 selectable lowpass cutoff states with 5 digital control bits. The tunable lowpass filter can handle an input power of up to 27 dBm and has a switching speed of under 1 us. It is available in a 4 x 4 x 1 mm QFN package and operates over the -40 C to +85 C temperature range.
