• Designs and manufactures all types of microwave filters from .1 to 40 GHz. In addition to a standard product line, Coleman specializes in unique designs to address our customer’s most stringent specifications. Products are engineered to meet demanding military applications and are offered in coaxial and waveguide modes of operation. Filter types include lowpass, highpass, band reject and bandpass both tunable and fixed tuned in addition to Weather Radar Assemblies and Components