We design and manufacture filters using many different technologies and designs. If you don't find a suitable filter among our Standard Diplexers/Duplexers (BP/BP), please use this quotation request form to let us know your required specifications. We will respond quickly to suggest a diplexer/duplexer that meets your needs, including the recommended technology/design type, achievable specs, price, and estimated delivery time. For help with this form please click on the "Help" button.