ODM OTR 700-S Long Range Singlemode OTDR w/ Bluetooth Connect 1310/1550nm Wavelength Switching Power Meter with VIS 300.   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   The ODM VIS 300 advances field connector inspection by a unique focus system, which virtually eliminates the need to place the user's hand in the same position each time for effective focus control. To inspect the backplane connector, the user simply inserts the probe into the connector adapter and turns the entire probe ¼ to ½ turns for complete focus range. Users no longer need to keep one hand on the focus wheel. The VIS 300 includes a bright 3.5-inch LCD display and precision optics to provide an unmatched field of view of 630μm by 440μm.