Expansion module for the Firebox M 3rd Generation models. Application/Usage: Data Networking Application/Usage: Optical Network Product Type: SFP (mini-GBIC) Product Type: SFP (mini-GBIC) Manufacturer Part Number: WG9019 Limited Warranty: 1 Year Network Technology: 1000Base-X Manufacturer: WatchGuard Technologies, Inc Product Name: Firebox SFP (mini-GBIC) Module Network Technology: 1000Base-X Product Line: Firebox Brand Name: WatchGuard Brand Name: WatchGuard Expansion Slot Type: SFP (mini-GBIC) Ethernet Technology: Gigabit Ethernet Product Family: Firebox Media Type Supported: Optical Fiber Ethernet Technology: Gigabit Ethernet Number of Total Expansion Slots: 4 Media Type Supported: Optical Fiber