Euroquartz has extended the capabilities of its filter product line with the introduction of a new range dielectric microwave filters. A partnership agreement with Chinese manufacturer Caiqin Electronics will extend the available frequency range up to 3.5GHz. Euroquartz Filters division designs and manufactures custom electronic filters for RF and microwave communications such as GSM, 3G, GPS, satellite and TV transmission, wireless security systems, radar, aerospace and military. Other new products available are dielectric patch antennas, duplexers and resonators.