Fiber Adapter Panel, LC 12 Port (6-LC Duplex), Phosphur Bronze, Blue Adapters. Specifications: Material: 16ga cold rolled steel; Finish: durable black powder coat; Dimensions: 1.1"W x 5.1"H; SM/MM insertion loss: <0.50 dB (0.25 dB typical); Operating t emperaturs: 0 Degree C to +75 Degree C