Thank you for viewing. I am selling this item, which I purchased on Rakuten, because the length didn't suit my needs, so it's unused. It's long enough to stretch from the first floor to the second floor. Please consider it if you're interested. https://item.rakuten.co.jp/tt-mall/b0k080d/?scid=wi_ich_iphoneapp_item_share ● Compatible models: ADSL modem, CATV modem, optical fiber (FTTH ultra-high-speed optical internet), digital TV, hard disk recorder (models with RJ-45 connector), INS64 (30m or less) ● Connector type: RJ-45 slim connector (ultra-high-performance pull-up method) ● Cable length: 15m ● Supported transmission bandwidth: Category 7 (10GBASE-T), Category 6a (10GBASE-T), Enhanced Category 6 (1000BASE-TX), Category 6 (1000BASE-TX), Enhanced Category 5 (1000BASE-T), Category 5 (100BASE-TX), Category 3 (10BASE-T) ● Transmission bandwidth: 600MHz ● Cable type: Stranded wire ● Weight: 459g