The FTB-150 is a fast, powerful, lightweight solution from the industry's OTDR expert. It can house any of EXFO's singlemode and multimode OTDR configurations designed to test at up to four wavelengths. Choose from various combinations featuring the 850, 1300, 1310, 1490, 1550 and 1625 nm wavelengths-covering all fiber applications from long-haul and WDM to metro, FTTH and LAN networks. All EXFO OTDR configurations provide a stable light source, as well as the option of adding a visual fault locator.