{"product_id":"10gtek-1-25g-sfp-bidi-transceiver-singlemode-lc-reliable-2km-link","title":"10Gtek 1.25G SFP Bidi Transceiver Singlemode LC - Reliable 2km Link","description":"\u003cp\u003eIn this review the 10Gtek 1.25G SFP Bidi Transceiver is evaluated for small networks and edge deployments where a single-fiber, bidirectional link matters. The bottom line: it is a practical, plug-and-play SFP module for technicians who need a simple way to extend Gigabit connectivity over singlemode fiber up to about 2 to 3km. The reviewer found it especially useful for replacing vendor optics or linking Ubiquiti and open-switch equipment without reconfiguring ports.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional Single LC:\u003c\/strong\u003e Uses a 1000BASE-BIDI design to carry transmit and receive on a single LC connector, which simplifies cabling in constrained pathways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Wavelength Options:\u003c\/strong\u003e The pair includes modules with Tx1310nm\/Rx1550nm and Tx1550nm\/Rx1310nm so each end of the link pairs correctly for singlemode operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDM Diagnostics:\u003c\/strong\u003e Digital Diagnostic Monitoring lets administrators check transmit and receive status in real time to spot signal issues quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with Cisco 1000BASE-BX3, Ubiquiti UniFi UF-SM-1G-S and many open switches for straightforward interoperability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Reliability:\u003c\/strong\u003e Each transceiver is individually tested in the manufacturer lab and shipped after verification, reducing the chance of DOA units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis transceiver pair is aimed at network engineers, integrators, and IT teams who need to convert existing singlemode fiber runs into a Gigabit link without changing fiber plant or adding a second fiber. It is also a good choice for sites using Ubiquiti UniFi or other open-switch hardware where vendor optics are not required.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require multimode fiber support, links longer than 3km, or higher than 1.25Gbps speeds; for those needs consider modules rated for longer reach or higher data rates.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play compatibility with common switches makes deployment fast and predictable.\u003c\/li\u003e\n\u003cli\u003eDDM provides valuable real-time monitoring to troubleshoot link quality.\u003c\/li\u003e\n\u003cli\u003eIndividually tested units reduce the risk of discovering faulty optics after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReach is limited to about 2 to 3km, so it is not suitable for longer backbone links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eSFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e1.25Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eSingle Mode Fiber (SMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eTx 1310nm \/ Rx 1550nm and Tx 1550nm \/ Rx 1310nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 to 3km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDDM\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 10Gtek 1.25G SFP Bidi Transceiver pair is a practical, cost-effective option for anyone needing a quick, reliable Gigabit link over existing singlemode fiber up to roughly 2 to 3km. With DDM, wide compatibility, and per-unit testing, it represents good value for network teams replacing optics or linking mixed-vendor hardware, provided the required reach and speed match the module's capabilities.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with Ubiquiti UniFi switches?\u003c\/strong\u003e\u003cbr\u003eYes, customers report it works flawlessly with Ubiquiti UniFi switches and it is listed as compatible with UF-SM-1G-S style ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow far can the link run?\u003c\/strong\u003e\u003cbr\u003eThe modules are specified for about 2 to 3km over singlemode fiber, so plan links within that range for reliable operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor the transceiver health?\u003c\/strong\u003e\u003cbr\u003eYes, the transceivers support Digital Diagnostic Monitoring (DDM) so transmit and receive parameters can be checked in real time.\u003c\/p\u003e","brand":"10Gtek","offers":[{"title":"Default Title","offer_id":48669945856219,"sku":"B0BV6LQ62D","price":38.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71l9GkWzU6L._SL1500.jpg?v=1778707229","url":"https:\/\/gearmusthave.com\/products\/10gtek-1-25g-sfp-bidi-transceiver-singlemode-lc-reliable-2km-link","provider":"GearMustHave","version":"1.0","type":"link"}