Cisco 1-Port OC-3/STM-1 Long-Reach SFP Module - 1 x LC/PC Duplex OC-3/STM-1155.52

Featuring Fast Ethernet port to enhance the data transfer rate by up to 100Mbps for connectivity With OC-3/STM-1 technology, get up to 155.52Mbps data transfer rate over service provider link using optical fiber cable Supports optical fiber cable for durable performance, minimal signal loss, and fast data transfers to greater distances With a single wavelength of light, the single mode fiber optic can carry data and transmit audio/video applications over miles of distance