RAD’s fiber optic modems provide a large variety of optical solutions for extending E1, T1, E3, T3, and Ethernet over fiber. RAD’s fiber optic modems support single mode fiber and multimode fiber, as well as single strand connectivity using wave division multiplexing (WDM). RAD’s fiber optic modems come with a variety of interfaces and are available as standalone fiber optic modem units or as cards installed in mix and match fiber optic modem racks.