Marki Microwave surface mount RF/microwave filter banks integrate multiple filter channels into a single package, offering broad frequency coverage, low insertion loss, sharp roll-off, high out-of-band rejection, and high channel-to-channel isolation. By consolidating multiple filter responses into one component, filter banks reduce board space, assembly complexity, and insertion variation between paths. Common applications include channelized receivers, spectrum monitoring, and band selection in frequency-agile systems.