155m 1550nm sm 80km lc sfp transceiver Specification: Data rate:155m Wavelength:1550nm Distance:80km Interface:lc Fiber:sm Ddm:yes Place of origin:made in china Port:shenzhen Working temperature: commercial:0°c to +70°c;industrial:-40°c to +85°c Optical module used in ethernet, sdh, sonet, can be compatible with cisco 2900 series, cisco 4000 series, cisco 5000 series, huawei, the pole into, d-link, zte, hp, juniper and other equipment. Our products require strict testing standards, standard packing form, to provide customers with quality service and timely delivery cycle. Function:photoelectric conversion module Scope of application: switch, ethernet, data center, sdh, sonet, atm -