Build short-reach fiber links with a compact SFP transceiver tuned for 1 Gbps single-mode connectivity. This AddOn Networks module is compatible with Ubiquiti UF-SM-1G-S applications and uses an LC duplex connector, making it straightforward to deploy in existing fiber environments. With a 3 km reach, it fits access-layer uplinks, building-to-building runs, and other point-to-point links where the priority is clean optical transport rather than long-haul distance. The smaller reach also helps keep procurement aligned to the actual network requirement, avoiding overspecification and unnecessary cost. For teams standardizing on SFP-based optics, this module offers a familiar footprint and a clear fit for short-distance single-mode links. It is a practical choice when you need stable Gigabit Ethernet transport, a compact transceiver format, and compatibility with a known Ubiquiti part family.