Brand: UltraLAN Product Code / SKU: FIB‑SFP‑ULSB355312L‑CD20 Manufacturer Product Code: FIB‑SFP‑ULSB355312L‑CD20 Model: 1G SFP BiDi Module Pair – SM 20KM 1310/1510nm Description The UltraLAN 1G SFP BiDi Module Pair (FIB‑SFP‑ULSB355312L‑CD20) is a high‑performance, cost‑effective transceiver solution supporting dual data‑rates of 1.25Gbps/1.0625Gbps and transmission distances up to 20km over single‑mode fibre (SMF). Each transceiver consists of a FP/DFB laser transmitter, a PIN photodiode integrated with a trans‑impedance preamplifier (TIA), and an MCU control unit. All modules meet Class I laser safety requirements and are fully compliant with SFP Multi‑Source Agreement (MSA) and SFF‑8472 standards. Note: As these are BiDi SFP modules, they are only sold in pairs. Highlights 1G BiDi SFP module pair (SMF, 20km) Supports 1.25Gbps downstream bit rates Bi‑Directional LC connector interface Hot‑pluggable SFP footprint Low power consumption (<0.8W) Digital Diagnostic Monitor Interface (DDMI) Very low EMI and excellent ESD protection Class I laser safety compliant Manufacturer warranty What’s Included 2 × UltraLAN 1G SFP BiDi Modules (Pair) Retail packaging Free Delivery: Orders with a total cart value above R1,500 qualify for free courier delivery via our eco shipping method (1–3 business days). Orders Under R1,500 & Regional Areas: Courier fees are calculated automatically at checkout based on your specific postal code and the total weight of your order before payment.