{"id":9482236133634,"title":"TP-Link Omada 1G SM WDM Bi-Di SFP Module TL-SM321A","handle":"tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-1","description":"\u003cp\u003eThe TP-Link Omada Gigabit Single-Mode WDM Bi-Directional SFP Module (TL-SM321A) is a high-performance fiber optic module designed for efficient, long-distance connectivity. It uses Wavelength Division Multiplexing (WDM) technology to transmit and receive data over a single fiber strand, reducing cabling requirements. This module supports Gigabit Ethernet speeds and is ideal for enterprise and data center environments requiring reliable, high-bandwidth connections over distances up to 20 kilometers.\u003c\/p\u003e\u003cp\u003eThe TL-SM321A operates with two separate wavelengths—1310 nm for transmission and 1550 nm for reception—and features an LC Duplex connector. It is compatible with TP-Link Omada switches and routers for plug-and-play integration. The module is built for durability with an operating temperature range of 0°C to 70°C and low power consumption.\u003c\/p\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:auto;margin:0 0 1em\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eData Rate\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e1.25 Gbps (Gigabit Ethernet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eFiber Type\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eSingle-Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eWavelength\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e1310 nm (Transmission) \/ 1550 nm (Reception)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eMaximum Distance\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e20 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eLC Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eTP-Link Omada Devices (Switches, Routers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e0°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top\"\u003eLow power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","published_at":"2026-07-02T17:31:10+08:00","created_at":"2026-07-02T17:31:05+08:00","vendor":"TP-Link","type":"","tags":["bi-directional","Created by Product Upload","fiber optic","gigabit","Omada","SFP module","single-mode","TL-SM321A","TP-Link","WDM"],"price":3772,"price_min":3772,"price_max":3772,"available":true,"price_varies":false,"compare_at_price":4526,"compare_at_price_min":4526,"compare_at_price_max":4526,"compare_at_price_varies":false,"variants":[{"id":48069541527810,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TL-SM321A-2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"TP-Link Omada 1G SM WDM Bi-Di SFP Module TL-SM321A","public_title":null,"options":["Default Title"],"price":3772,"weight":100,"compare_at_price":4526,"inventory_management":null,"barcode":"6935364072933","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-2-5872648_e314361d-f58f-4a55-9bd4-3d9b7cef2804.jpg?v=1782984670"],"featured_image":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-2-5872648_e314361d-f58f-4a55-9bd4-3d9b7cef2804.jpg?v=1782984670","options":["Title"],"media":[{"alt":"TP-Link Omada 1G SM WDM Bi-Di SFP Module TL-SM321A","id":39754834379010,"position":1,"preview_image":{"aspect_ratio":1.0,"height":590,"width":590,"src":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-2-5872648_e314361d-f58f-4a55-9bd4-3d9b7cef2804.jpg?v=1782984670"},"aspect_ratio":1.0,"height":590,"media_type":"image","src":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-2-5872648_e314361d-f58f-4a55-9bd4-3d9b7cef2804.jpg?v=1782984670","width":590}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe TP-Link Omada Gigabit Single-Mode WDM Bi-Directional SFP Module (TL-SM321A) is a high-performance fiber optic module designed for efficient, long-distance connectivity. It uses Wavelength Division Multiplexing (WDM) technology to transmit and receive data over a single fiber strand, reducing cabling requirements. This module supports Gigabit Ethernet speeds and is ideal for enterprise and data center environments requiring reliable, high-bandwidth connections over distances up to 20 kilometers.\u003c\/p\u003e\u003cp\u003eThe TL-SM321A operates with two separate wavelengths—1310 nm for transmission and 1550 nm for reception—and features an LC Duplex connector. It is compatible with TP-Link Omada switches and routers for plug-and-play integration. The module is built for durability with an operating temperature range of 0°C to 70°C and low power consumption.\u003c\/p\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:auto;margin:0 0 1em\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eData Rate\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e1.25 Gbps (Gigabit Ethernet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eFiber Type\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eSingle-Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eWavelength\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e1310 nm (Transmission) \/ 1550 nm (Reception)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eMaximum Distance\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e20 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eLC Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eTP-Link Omada Devices (Switches, Routers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e0°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top\"\u003eLow power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e"}