There website is a modern site that gives real time view of their inventory. The customer experience team is helpful . I would order again from them.
Adtran SFP+ Module - For Data Networking, Optical NetworkOptical Fiber
|Manufacturer Part Number:||1442481F5|
|Manufacturer Website Address:||http://www.adtran.com|
|Product Name:||SFP+ Module|
|Application/Usage:||Data Networking, Optical Network|
|Media & Performance|
|Media Type Supported:||Optical Fiber|