ODM OTR 700-Q Quad SM & MM OTDR w/ Bluetooth Connect 850, 1300, 1310 and 1550nm with VIS 300.   Optical Time Domain Reflectometer from Optical Design Manufacturing, Inc. (ODM).  Singlemode and Multimode unit with Quad wavelengths of 850nm, 1300nm, 1310nm and 1550nm.  Bluetooth compatibility with Android Bluetooth enabled smartphones and tablets.  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   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.