What is the Ericsson RDH90120/20213R4A?
The Ericsson RDH90120/20213R4A is a SFP optical transceiver module, listed by the manufacturer as "OPT SFP TRCVR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Number
Part Overview
Ericsson RDH90120/20213R4A: a SFP optical transceiver module (OPT SFP TRCVR). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Ericsson RDH90120/20213R4A is a SFP optical transceiver module, listed by the manufacturer as "OPT SFP TRCVR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Ericsson network equipment, including parts such as the RDH90120/20213R4A, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue