{"id":649,"date":"2026-10-24T11:50:33","date_gmt":"2026-10-24T09:50:33","guid":{"rendered":"https:\/\/www.eladit.com\/prodotti\/preselettore-hf-qsf-06\/"},"modified":"2026-10-26T17:51:07","modified_gmt":"2026-10-26T16:51:07","slug":"preselettore-hf-qsf-06","status":"publish","type":"elad_product","link":"https:\/\/www.eladit.com\/en\/products\/sdr\/sdr-accessori\/sdr-preselettori\/preselettore-hf-qsf-06\/","title":{"rendered":"HF preselector QSF-06"},"content":{"rendered":"<p>Switchable preselector filter board for FDM-DUO with active switch and band selection output. The internal filters are suitable for receive use only.<\/p>\n<p>QSF-06 is a switchable preselector that allows selection among 6 configurable filters. The user can configure the preselector by choosing the filters to install from the set of filters supplied by ELAD. The QSF-06 board also features a built-in active switch that ensures fast switching times between the transmit and receive states, and a band selection output to drive an external amplifier. Using the ELAD FDM-SW2 SDR software, the FDM-DUO can be configured to automatically select the appropriate filter according to the tuning frequency.<\/p>\n<p>QSF-06 includes a bypass but does not include any filters.<\/p>\n<p><a href=\"https:\/\/www.eladit.com\/en\/download\/sdr\/accessories\/qsf-06-switchable-preselector-filter-for-fdm-duo\/\">Go to the QSF-06 files<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Switchable preselector filter board for FDM-DUO with active switch and band selection output. The internal filters are suitable for receive use only. QSF-06 is a switchable preselector that allows selection among 6 configurable filters. The user can configure the preselector by choosing the filters to install from the set of filters supplied by ELAD. The [&hellip;]<\/p>\n","protected":false},"featured_media":0,"menu_order":21,"template":"","elad_product_cat":[92],"class_list":["post-649","elad_product","type-elad_product","status-publish","hentry","elad_product_cat-sdr-preselettori"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/elad_product\/649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/elad_product"}],"about":[{"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/types\/elad_product"}],"version-history":[{"count":1,"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/elad_product\/649\/revisions"}],"predecessor-version":[{"id":934,"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/elad_product\/649\/revisions\/934"}],"wp:attachment":[{"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/media?parent=649"}],"wp:term":[{"taxonomy":"elad_product_cat","embeddable":true,"href":"https:\/\/www.eladit.com\/en\/wp-json\/wp\/v2\/elad_product_cat?post=649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}