Bittree B48S-2WNHD Standard WECO Video Patchbay in 1 RU Height with 2x24 Jack Configuration. High-bandwidth performance for SD/SDI, HD/SDI, 3 Gb/s and 3D applications. SMPTE 259M, 292M and 424M compliant. True 75 ohm impedance with low return loss. 3/16" (0.187 in. / 4.76 mm) machined aluminum with a durable powder-coat finish. Rear-mounted jack modules. Precision machined phenolic insulator electrically and mechanically separates jacks from the front panel.