Bittree B52T-1WTHD Patchbay features High-bandwidth performance for SD/SDI, HD/SDI, 3 Gb/s and 3D applications. SMPTE 259M, 292M and 424M compliant and true 75 ohm impedance with low return loss. Enclosure made of 3/16" (0.187 in. / 4.76 mm) machined aluminum with a durable powder-coat finish. Rear-mounted jack modules.