---
title: Ubiquiti UniFi Single Mode 1.25G LC Bi-Directional SFP
date: 2025-09-25T12:23:49Z
modified: 2026-05-05T16:50:03Z
permalink: "https://tech.co.za/product/ubiquiti-unifi-single-mode-1-25g-lc-bi-directional-sfp/"
type: product
status: publish
excerpt: Supports connections up to 3 km - UACC-OM-SM-1G-S-2
wpid: 552536
product_brand:
  - Ubiquiti
product_type:
  - simple
product_visibility:
  - featured
  - outofstock
product_cat:
  - Network Transceiver Modules
featured_image: "https://tech.co.za/wp-content/uploads/2025/09/1998.png"
---

The Ubiquiti UB-UF-SM-1G-S is a Single Mode SFP module designed for long-distance, outdoor fibre optic connections. This Bi-Directional (BiDi) module transmits and receives data over a single strand of fibre, ideal for maximising existing infrastructure and reaching distances up to 3km at 1.25Gbps. 
Key features:

Supports long-range fibre connections – extend your network up to 3km with reliable fibre optic connectivity
Bi-Directional transmission: Utilise a single fibre strand for transmitting and receiving data, maximising your infrastructure re-use. 
Single Mode fibre compatibility: Designed for use with single-mode (SM) fibre optic cables 
LC Connector: Features an LC connector for easy installation