Profile: Filtek, Inc. designs & manufactures custom RF and microwave components. Our products include filters, multiplexers, directional couplers, power dividers, and stripline assemblies for both military & commercial applications. Our filters include custom bandpass, lowpass, highpass, and bandstop filters. These include both high power transmit applications, and low loss receive applications. Other filtering structures include diplexers, duplexers, triplexers, and multiplexers. Stripline assemblies include power dividers, filters, couplers, and beam forming networks.