Belden <b>4505R</b> is an RG-59, 75 Ohm, 12G-SDI Precision Video Coax with a 20 AWG Solid Silvered Copper Conductor, PE Insulation, Foil plus 95% Tinned Copper Braid Shield in a PVC Jacket, CMR rated.</p><p>Belden 4K UHD Coax Cables for 12G-SDI maximize 4K signal transmission distance over a single coax, minimizing weight and space utilization compared to multi-link solutions. This solution provides significant headroom and guarantees -15 dB return loss from 4.5 to 12 GHz.</p><p><b><ins>Applications</b></ins><br />Ultra-High Definition Digital Video<br />4K Single-link 12 Gb/s UHDTV<br />4K D-Cinema<br />8K Quad-link UHDTV<br />HD-SDI 1080p<br />SMPTE 2082-1 12 Gb/s UHDTV<br />SMPTE 2081-1 6 Gb/s UHDTV<br />SMPTE 424M 3 Gb/s</p>

Belden's 4505R cables are 12 GHz, 4K UHD Precision Video Cables. Their 12G-SDI coaxial solutions maximize 4K signal transmission distance on a single coax, minimizing weight and space compared to dual- or quad-link configurations. Features: 12G-SDI cables guaranteed 15dB RL limit from 4.5 to 12 GHz for 8-11 dB headroom against SMPTE limit Inner foil bonded to the core on 12G-SDI cables for easier installation with onepiece compression connectors One-piece compression connectors simplify and speed installation Specifications: Mechanical Characteristics Operating Temperature Range: -30°C To +75°C Bulk Cable Weight: 31 lbs/1000 ft. Max. Recommended Pulling Tension: 52 lbs. Min. Bend Radius/Minor Axis: 2.500 in. Electrical Characteristics Impedance (Ohm): 75 Inductance (µH/ft): 0.107 Capacitance (pF/ft): 16.100 Nominal Velocity of Propagation (%): 83.000 Nominal Delay (ns/ft): 1.220 Nom. Conductor DCR @ 20°C (Ohm/1000 ft): 10.200 Nominal Outer Shield DCR @ 20°C (Ohm/1000 ft): 3.400 Max. Operating Voltage - UL: 300 V RMS Physical Characteristics # Coax: 1 AWG: 20 Stranding: Solid Conductor Material: Silver Plated Copper Dia. (in.): 0.032 Insulation Material/ Diameter (in.): Gas-injected FHDPE - Foam High Density Polyethylene / .145" Outer Jacket Material: PVC - Polyvinyl Chloride Overall Nominal Diameter: 0.233 in.