Profile: Pole/Zero Corporation is a provider of mitigation equipment. We are an ISO AS9100 certified company. Our product line includes bandpass filters, control devices, pre & post selectors and notch filters. Our Mini-Pole® series of tunable bandpass filter is optimized for small size, RF power handling, low distortion and exceptional selectivity. Our DR™ controller provides an easy-to-connect interface that can be combined with our broad range of tunable RF filters for a complete turn-key filter system, and can control optional modes such as bypass or blanking if the filter is so equipped.