Overview Reviews Product Description Gigabit SFP module, Multi-mode, MiniGBIC, LC interface, Up to 550/275m distance Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × TP-Link TP-Link SM311LM Gigabit SFP Module Multi-mode LC Interface Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments