{"id":9482079961346,"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","description":"\u003cp\u003eThe TP-Link Omada TL-SM321A is a Gigabit Single-Mode WDM Bi-Directional SFP Module designed for long-distance fibre connectivity. It uses Wavelength Division Multiplexing (WDM) technology to transmit and receive data over a single fibre strand, maximising fibre infrastructure efficiency.\u003c\/p\u003e\u003cp\u003eSupporting a data rate of 1.25 Gbps and a reach of up to 20 km, this module is suitable for enterprise networks, campus environments, and inter-data centre links. It features an LC duplex connector and operates at wavelengths of 1310 nm (receive) and 1550 nm (transmit).\u003c\/p\u003e\u003cp\u003eThe module is compatible with TP-Link Omada switches and routers, offering plug-and-play installation. It operates within a temperature range of 0°C to 70°C and has low power consumption for energy-efficient performance.\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\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)\"\u003eTX: 1550 nm \/ RX: 1310 nm\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 Switches and 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","published_at":"2026-07-02T12:03:21+08:00","created_at":"2026-07-02T12:03:18+08:00","vendor":"TP-Link","type":"","tags":["bi-directional","Created by Product Upload","fibre transceiver","gigabit","Omada","SFP module","single-mode","TL-SM321A","TP-Link","WDM"],"price":4232,"price_min":4232,"price_max":4232,"available":true,"price_varies":false,"compare_at_price":5078,"compare_at_price_min":5078,"compare_at_price_max":5078,"compare_at_price_varies":false,"variants":[{"id":48068854317314,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TL-SM321A","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":4232,"weight":0,"compare_at_price":5078,"inventory_management":null,"barcode":"6935364030513","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.jpg?v=1782965001","\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-gigabit-single-mode-wdm-bi-directional-sfp-module-tl-sm321a-230425.jpg?v=1782965001"],"featured_image":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-1g-sm-wdm-bi-di-sfp-module-tl-sm321a-2-5872648.jpg?v=1782965001","options":["Title"],"media":[{"alt":"TP-Link Omada 1G SM WDM Bi-Di SFP Module TL-SM321A","id":39753407856898,"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.jpg?v=1782965001"},"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.jpg?v=1782965001","width":590},{"alt":"TP-Link Omada 1G SM WDM Bi-Di SFP Module TL-SM321A","id":39753407889666,"position":2,"preview_image":{"aspect_ratio":1.583,"height":521,"width":825,"src":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-gigabit-single-mode-wdm-bi-directional-sfp-module-tl-sm321a-230425.jpg?v=1782965001"},"aspect_ratio":1.583,"height":521,"media_type":"image","src":"\/\/lioncityco.com\/cdn\/shop\/files\/tp-link-omada-gigabit-single-mode-wdm-bi-directional-sfp-module-tl-sm321a-230425.jpg?v=1782965001","width":825}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe TP-Link Omada TL-SM321A is a Gigabit Single-Mode WDM Bi-Directional SFP Module designed for long-distance fibre connectivity. It uses Wavelength Division Multiplexing (WDM) technology to transmit and receive data over a single fibre strand, maximising fibre infrastructure efficiency.\u003c\/p\u003e\u003cp\u003eSupporting a data rate of 1.25 Gbps and a reach of up to 20 km, this module is suitable for enterprise networks, campus environments, and inter-data centre links. It features an LC duplex connector and operates at wavelengths of 1310 nm (receive) and 1550 nm (transmit).\u003c\/p\u003e\u003cp\u003eThe module is compatible with TP-Link Omada switches and routers, offering plug-and-play installation. It operates within a temperature range of 0°C to 70°C and has low power consumption for energy-efficient performance.\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\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)\"\u003eTX: 1550 nm \/ RX: 1310 nm\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 Switches and 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e"}