Laird 4855R10-BMB Mini RG-59 BNC Male to HD-BNC Male 12G-SDI/4K UHD Belden 10-Channel Snake Cable

The Laird 4855R10-D-B series is a professional 10-channel 12G-SDI video snake cable built using Belden 4855R miniature RG-59 coax and high-quality Amphenol RF connectors. Designed for UHD and 4K signal transport, this compact DIN 1.0/2.3 to BNC snake delivers reliable performance in studio, broadcast, and live event environments.

Each assembly is engineered for clean signal transmission with low return loss up to 12 GHz. Laird certifies a maximum 12G-SDI transmission distance of 117 feet to ensure 100 percent signal integrity without CRC errors, even though the cable may function at longer distances under ideal conditions.

Key Features

• Belden 4855R mini RG-59: Riser rated miniature coax design.
• Amphenol RF connectors: Professional termination for consistent 12G-SDI performance.
• Space-saving 10-channel snake: Simplifies multi-channel routing and reduces cable clutter.
• 12G-SDI rated channels: Each channel supports 12G-SDI workflows for UHD and 4K.
• Certified transmission distance: Laird certifies up to 117 ft for 12G-SDI (ST 2082) without CRC errors.
• Flexible for field or studio: Designed for easy handling and portability.

Specifications

• Cable model: Belden 4855R
• RG type: Mini RG-59
• Channels: 10
• Conductor AWG: 23
• Conductor stranding: Solid
• Conductor nominal diameter: 0.023 inches (0.58 mm)
• Conductor material: Silvered copper
• Insulation nominal diameter: 0.102 inches (2.59 mm)
• Insulation material: Polyethylene foam
• Inner shield type: Tape and braid
• Inner shield material and coverage: Tri-laminate (aluminum plus poly plus aluminum) 100 percent; tinned copper braid 95 percent
• Inner jacket nominal diameter: 0.159 inches (4.03 mm)
• Inner jacket material: Polyvinyl chloride
• Outer jacket nominal diameter: 0.786 inches (19.96 mm)
• Outer jacket material: Polyvinyl chloride
• Return loss: 23 dB (5 to 1600 MHz); 21 dB (1600 to 4500 MHz); 15 dB (4500 to 12000 MHz)
• Nominal conductor DCR: 19.7 ohm per 1000 ft
• Nominal inner shield DCR: 3.8 ohm per 1000 ft
• Nominal capacitance conductor to shield: 16.3 pF per ft
• Nominal characteristic impedance: 75 ohm
• Nominal velocity of propagation: 82 percent
• UL voltage rating: 300 V RMS (CMR)
• Operating temperature: -22 F to 167 F (-30 C to 75 C)
• Minimum bend radius: 7.9 inches (200 mm)
• Maximum pull tension: 330 lb
• Connector type: DIN 1.0/2.3 to BNC
• Certified 12G-SDI maximum distance: 117 ft
• Warranty: Limited lifetime