What is the Nokia 4805139?
The Nokia 4805139 is a SFP+ optical transceiver, listed by the manufacturer as "10G SFP+ SR 850NM". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Nokia, the 4805139 (10G SFP+ SR 850NM) is a SFP+ optical transceiver. Circular Telecom sources, tests, and resells surplus and refurbished Nokia equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Nokia 4805139 is a SFP+ optical transceiver, listed by the manufacturer as "10G SFP+ SR 850NM". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Nokia network equipment, including parts such as the 4805139, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue