{"id":170773,"date":"2026-09-10T11:24:46","date_gmt":"2026-09-10T11:24:46","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/c1921-3g-u-k9-cisco-1921-multi-service-router-2-port\/"},"modified":"2026-09-10T11:24:49","modified_gmt":"2026-09-10T11:24:49","slug":"c1921-3g-u-k9-cisco-1921-multi-service-router-2-port","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/c1921-3g-u-k9-cisco-1921-multi-service-router-2-port\/","title":{"rendered":"C1921-3G-U-K9 Cisco 1921 Multi Service Router 2 Port"},"content":{"rendered":"<p>C1921-3G-U-K9 Technical Specifications<\/p>\n<p>Cisco 1921 Multi Service Router 2 Port<\/p>\n<p>General Information<\/p>\n<p>Manufacturer Cisco Systems, Inc<\/p>\n<p>Manufacturer Part Number C1921-3G-U-K9<\/p>\n<p>Brand Name Cisco<\/p>\n<p>Product Series Cisco 1900<\/p>\n<p>Product Model C1921<\/p>\n<p>Product Name 1921 Multi Service Router<\/p>\n<p>Ethernet Technology: Gigabit Ethernet<\/p>\n<p>Product Type Router<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Total Number of Ports 2<\/p>\n<p>USB Yes<\/p>\n<p>Management Port Yes<\/p>\n<p>I\/O Expansions<\/p>\n<p>Number of Total Expansion Slots 2<\/p>\n<p>Expansion Slot Type HWIC<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Ethernet Technology Gigabit Ethernet<\/p>\n<p>VoIP Supported No<\/p>\n<p>Management &#038; Protocols<\/p>\n<p>Security Features-<\/p>\n<p>IPSec<\/p>\n<p>SSL<\/p>\n<p>AAA<\/p>\n<p>PKI<\/p>\n<p>Content Filtering<\/p>\n<p>L2TP v3<\/p>\n<p>GRE<\/p>\n<p>Memory<\/p>\n<p>Standard Memory 512 MB<\/p>\n<p>Maximum Memory 512 MB<\/p>\n<p>Memory Technology DDR2 SDRAM<\/p>\n<p>Flash Memory 256 MB<\/p>\n<p>Power Description<\/p>\n<p>PoE (RJ-45) Port No<\/p>\n<p>Input Voltage 110 V AC<\/p>\n<p>Input Voltage 220 V AC<\/p>\n<p>Power Source Power Supply<\/p>\n<p>Redundant Power Supply No<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C1921-3G-U-K9 Overview<\/p>\n<p>The Cisco 1921 builds on the best-in-class. All Cisco 1900 Series Integrated Services Routers offer embedded hardware encryption acceleration, and advanced security services. In addition, the platforms support the industry\u2019s widest range of wired and wireless connectivity options such as Serial, T1\/E1, xDSL, Gigabit Ethernet, and third-generation (3G) wireless.<\/p>\n","protected":false},"featured_media":170774,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[720,719],"product_tag":[721,1042,9543,692,8720,628],"class_list":["post-170773","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-routers","product_cat-routers","product_tag-cisco-1000-series-router","product_tag-cisco-1900-series-router","product_tag-cisco-c1921-series-router","product_tag-gigabit-ethernet-router","product_tag-multi-service-router","product_tag-router","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C1921-3G-U-K9 Cisco 1921 Multi Service Router 2 Port - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geektechsol.com\/index.php\/product\/c1921-3g-u-k9-cisco-1921-multi-service-router-2-port\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C1921-3G-U-K9 Cisco 1921 Multi Service Router 2 Port - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"C1921-3G-U-K9 Overview The Cisco 1921 builds on the best-in-class. 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