Your search for "UF‑GP‑B*" revealed the following:
UF-GP-B+
UF-GP-B+The UFiber OLT’s GPON SFP ports are designed for use with the UF-GP-B+ SFP module. The UF-OLT includes one UF-GP-B+ module; these additional modules can be purchased in packs of 20. The cost shown is per module.
$79.00
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