ODM OTR 700-S Long Range Singlemode OTDR w/ Bluetooth Connect 1310/1550nm Wavelength Switching Power Meter    Optical Time Domain Reflectometer from Optical Design Manufacturing, Inc. (ODM).  SM long range unit with dual wavelengths of 1310nm and 1550nm.  Bluetooth compatibility with Android Bluetooth enabled smartphones and tablets.  Contact us for more information on these new OTDRs from ODM.Features: Event table with PASS/FAIL analysis Bi-directional averaging - unit automatically performs all necessary calculations Short event dead zones make both units ideal for short link installations Bluetooth compatibility for precision control with Android Bluetooth-enabled smartphones and tablets Schematic view