Product Overview

The Belden 4855R is a high-performance Mini RG59 coaxial cable engineered for ultra-high-definition digital video applications. Supporting 4K single-link 12 Gb/s UHDTV, 8K quad-link UHDTV, and HD-SDI 1080p, this cable delivers superior signal integrity with low attenuation. Featuring DuoBond® II shielding and a compact 23 AWG silvered copper conductor, it ensures reliable transmission over long distances. Designed for indoor riser installations, this cable meets stringent UL, CE, and RoHS compliance standards. Data sheet

Belden 4855R Specifications

Suitable Applications

• Ultra-High Definition Digital Video
• 4K Single-link 12 Gb/s UHDTV
• 4K D-Cinema
• 8K Quad-link UHDTV
• HD-SDI 1080p

Construction Details

• RG Type: Mini 59
• Conductor: 23 AWG Solid Silvered Copper, 0.023 in (0.58 mm) Nominal Diameter
• Insulation: Gas-Injected Foam Polyethylene (PE), 0.102 in (2.59 mm) Nominal Diameter (White)
• Shielding:
  • Layer 1: DuoBond® II (Aluminum/Polyester/Aluminum) Tape, 100% Coverage
  • Layer 2: 95% Tinned Copper Braid
• Outer Jacket: PVC, 0.159 in (4.04 mm) Nominal Diameter
• Overall Cable Diameter: 0.159 in (4.04 mm)

Belden 4855R Electrical Characteristics

Return Loss

• 5 – 1600 MHz: 23 dB (min)
• 1600 – 4500 MHz: 21 dB (min)
• 4500 – 12000 MHz: 15 dB (min)

Attenuation (Nominal dB/100ft)

• 1 MHz: 0.39 dB
• 10 MHz: 1.2 dB
• 100 MHz: 3.39 dB
• 1000 MHz: 10.8 dB
• 3000 MHz: 19.0 dB
• 6000 MHz: 27.7 dB
• 12000 MHz: 41.2 dB

Electricals

• Nom. Conductor DCR: 19.7 Ohm/1000ft
• Nom. Shield DCR: 3.8 Ohm/1000ft
• Nom. Capacitance (Cond-to-Shield): 16.3 pF/ft (53.5 pF/m)
• Nom. Characteristic Impedance: 75 Ohm
• Nom. Velocity of Propagation: 82%
• Voltage Rating: 300V RMS (CMR, CMG)

Mechanical Characteristics

• Operating Temperature: -30°C to +75°C
• UL Temperature Rating: 60°C
• Bend Radius (Installation Min.): 1.6 in (41 mm)
• Max. Pull Tension: 33 lbs (15 kg)
• Bulk Cable Weight: 17 lbs/1000ft

Standards and Compliance

• Environmental Suitability: Indoor – Riser, Indoor, Aerial (Black only, when supported by messenger wire)
• Sustainability: CA Prop 65
• Flammability / Reaction to Fire: UL1666 Vertical Shaft
• CPR Compliance:
  • Euroclass: Eca
  • UKCA Class: Eca
• NEC / UL Compliance: CMR
• CEC / C(UL) Compliance: CMG
• European Directive Compliance:
  • EU CE Mark
  • EU Directive 2015/863/EU (RoHS 2 amendment)
  • REACH
  • EU Directive 2011/65/EU (RoHS 2)
  • EU Directive 2012/19/EU (WEEE)
• UK Regulation Compliance: UKCA Mark
• APAC Compliance: China RoHS II (GB/T 26572-2011)

Belden 4855R Part Numbers

• 4855R 0101000: Black, Reel, 1,000 ft, 612825390572
• 4855R 0105000: Black, Reel, 5,000 ft, 612825390589, C Z
• 4855R 01010000: Black, Reel, 10,000 ft, 612825436362
• 4855R 0061000: Blue, Light, Reel, 1,000 ft, 612825395362