A line of low pass filters, the CLPFL series, is available from Crystek. There are five models, with frequency ranges from DC to 100 through 500MHz. The filters have out-of-band rejection, and seventh order Butterworth response. All filters are rated at 36dBm, 4W, with an operating temperature of -40 to 85°C and storage temperature of -55 to 100°C. The company will also display quartz crystals, clock oscillators, temperature compensated oscillators, voltage controlled oscillators, and voltage controlled crystal oscillators. Electronica: Hall B6: stand 360