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Description
Belden 1855A Sub Miniature Video Coax 23 AWG 1000 ft RedSub Miniature Video Coax Cable 23 AWG 1000 ft For Composite through SDI Transmissions 36 lb Max Pull Tension 75 Ohm Impedance Choose from 10 Colors The Belden 1855A Sub Miniature Video Coax 23 AWG 1000 ft Red is a precision broadcast video cable for analog and digital signals. It can be used for narrow band composite through wide band SDI transmissions. Stranding is solid and the conductor is bare copper. Insulation material is gas injected foam high
- Sub Miniature Video Coax Cable
- 23 AWG / 1000 ft
- For Composite through SDI Transmissions
- 36 lb Max Pull Tension
- 75 Ohm Impedance
- Choose from 10 Colors
The Belden 1855A Sub Miniature Video Coax 23 AWG 1000 ft Red is a precision broadcast video cable for analog and digital signals. It can be used for narrow-band composite through wide-band SDI transmissions.
Stranding is solid and the conductor is bare copper. Insulation material is gas-injected foam high density polyethylene and the outer shield is of two layers, with layer 1 made of aluminum foil-polyester tape-aluminum foil and featuring 100% coverage and layer 2 made of tinned copper with 95% coverage.
Max pull tension is at 36 lbs and bend radius at 1.5". Impedance is 75 Ohm and overall diameter .159". Ten different colors are available to choose from, with black exclusively offering outdoor and aerial suitability.
-
- Precision broadcast video cable for analog and digital signals
- For narrow-band composite through wide-band SDI transmissions
- 10 colors can be chosen from, with black good for outdoor / aerial use
UPC: 612825358473
| AWG | # coax: 1 AWG: 23 Stranding: solid Conductor: BC - bare copper Diameter: .023" (.06 cm) |
| Insulation | Material: gas-injected FHDPE - foam high density polyethylene Diameter: .102" (.26 cm) |
| Outer Shield | Layer 1: Outer shield trade name: Duofoil Type: tape Material: aluminum foil-polyester tape-aluminum foil Coverage: 100% Layer 2: Type: braid Material: TC - tinned copper Coverage: 95% |
| Outer Jacket | Material: PVC - polyvinyl chloride |
| Max. Recommended Pulling Tension | 36 lbs (16.3 kg) |
| Min. Bend Radius | (Install)/Minor Axis: 1.5" (3.8 cm) |
| Compliance | NEC/(UL) specification: CMR CEC/C(UL) specification: CMG EU CE mark: yes EU directive 2000/53/EC (ELV): yes EU directive 2002/95/EC (RoHS): yes EU RoHS compliance date: 01/01/2004 EU directive 2002/96/EC (WEEE): yes EU directive 2003/11/EC (BFR): yes CA prop 65 (CJ for wire and cable): yes MII order #39 (China RoHS): yes RG type: sub-miniature 59/U |
| Flame Test | UL flame test: UL1666 vertical shaft |
| Suitability | Indoor: yes Outdoor: (yes - black only) Aerial: (yes - black only, when supported by a messenger wire) |
| Plenum/Non-Plenum | Non-plenum |
| Impedance | 75 Ohm (tested in accordance with ASTM D-4566 paragraph 43.2, option 2 using a 75 Ohm fixed bridge and termination) |
| Inductance | (µH/ft): .107 |
| Capacitance | (pF/ft): 16.3 |
| Velocity of Propagation | 82% |
| Delay | (ns/ft): 1.22 |
| Conductor DC Resistance | DCR @ 68°F (20°C) (Ohm/1000 ft (304.8 m)): 20.1 |
| Outer Shield | DCR @ 68°F (20°C) (Ohm/1000 ft (304.8 m)): 7.6 |
| Attenuation | Freq. (MHz): 1.000 = attenuation (dB/100 ft (30.48 m)) .390 Freq. (MHz): 3.580 = attenuation (dB/100 ft (30.48 m)) .780 Freq. (MHz): 5.000 = attenuation (dB/100 ft (30.48 m)) .920 Freq. (MHz): 6.000 = attenuation (dB/100 ft (30.48 m)) 1.000 Freq. (MHz): 7.000 = attenuation (dB/100 ft (30.48 m)) 1.080 Freq. (MHz): 10.000 = attenuation (dB/100 ft (30.48 m)) 1.200 Freq. (MHz): 12.000 = attenuation (dB/100 ft (30.48 m)) 1.300 Freq. (MHz): 25.000 = attenuation (dB/100 ft (30.48 m)) 1.800 Freq. (MHz): 67.500 = attenuation (dB/100 ft (30.48 m)) 2.830 Freq. (MHz): 71.500 = attenuation (dB/100 ft (30.48 m)) 3.060 Freq. (MHz): 88.500 = attenuation (dB/100 ft (30.48 m)) 3.160 Freq. (MHz): 100.000 = attenuation (dB/100 ft (30.48 m)) 3.330 Freq. (MHz): 135.000 = attenuation (dB/100 ft (30.48 m)) 3.810 Freq. (MHz): 143.000 = attenuation (dB/100 ft (30.48 m)) 3.920 Freq. (MHz): 180.000 = attenuation (dB/100 ft (30.48 m)) 4.380 Freq. (MHz): 270.000 = attenuation (dB/100 ft (30.48 m)) 5.400 Freq. (MHz): 540.000 = attenuation (dB/100 ft (30.48 m)) 7.700 Freq. (MHz): 720.000 = attenuation (dB/100 ft (30.48 m)) 9.470 Freq. (MHz): 750.000 = attenuation (dB/100 ft (30.48 m)) 9.590 Freq. (MHz): 1000.000 = attenuation (dB/100 ft (30.48 m)) 10.500 Freq. (MHz): 1500.000 = attenuation (dB/100 ft (30.48 m)) 13.000 Freq. (MHz): 2000.000 = attenuation (dB/100 ft (30.48 m)) 15.100 Freq. (MHz): 2250.000 = attenuation (dB/100 ft (30.48 m)) 16.000 Freq. (MHz): 3000.000 = attenuation (dB/100 ft (30.48 m)) 18.500 Freq. (MHz): 4500.000 = attenuation (dB/100 ft (30.48 m)) 22.800 |
| Minimum Return Loss | Start freq. (MHz) 5: Stop freq. (MHz) = 1600 Min. RL (dB) = 23 Start freq. (MHz) 1601: Stop freq. (MHz) = 4500 Min. RL (dB) = 21 (Return loss tested in accordance with ASTM D-4566 paragraph 45.3 using a 75 Ohm fixed bridge and termination) |
| Sweep Testing | 100% sweep tested 5 MHz to 4.5 GHz |
| Operating Voltage | Max. - UL: 300 V RMS |
| Operating Temperature | -22 to 167°F (-30 to 75°C) |
| UL Temperature Rating | 167°F (75°C) |
| Overall Diameter | .159" (.4 cm) |
| Length | 1000 ft (304.8 m) |
| Weight | 17 lbs (7.7 kg) |
| Packaging Info | |
|---|---|
| Package Weight | 18.34 lb |
| Box Dimensions (LxWxH) | 12.9 x 12.9 x 10.7" |
In the Box
Belden 1855A Sub Miniature Video Coax 23 AWG 1000 ft Red
- 10-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Best magnesium from the best supplement brand.
Thorne can do no wrong in my book. They just can’t. I take magnesium every night. Usually magnesium glycinate. However, I read that that can start to cause night sweats over overtime. So moving decent was kind of a trial to see if that stopped the issue. It did immediately. The bonus of the powder though is that I can have it in a little bit of cherry juice or a mocktail before I go to bed. The flavor is great, and I haven’t noticed any grittiness whatsoever. That’s sad, I drink a lot of protein drinks so it’s entirely possible. I’m used to grittiness. Since starting to take this, I’ve been sleeping just as well as I have with the magnesium glycinate. Perhaps even a little bit better because this is higher quality and I’m not getting the night sweats.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 4
Simple Magnesium Powder That Is Easy Enough to Take
I just started taking this Magnesium Citrate powder, so it is too early to know if it will help with things like muscle support, heart health, bone health. Magnesium is an important mineral for the body and it plays a role in muscle function, nerve signaling, and overall balance, so I like the idea of adding it to my routine.
The citrus berry flavor is not too horrible, which is a pleasant surprise because some magnesium powders can taste pretty rough. This one is easy enough to drink without feeling like you have to force it down. I also like that it is third party certified and comes with a full sixty servings.
I will need more time to see if it makes a noticeable difference, but so far the experience has been simple and the taste is manageable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
2 months supply, tasty berry bubblegum flavor, no morning cramps.
I've been taking Magnesium supplements for a long time, usually in capsule form. Starting from about age 45 I kept getting these awful morning calf cramps. Especially stretching, or on cold morning. The sudden agony was unexpected and concerning. Magnesium is the answer and this water-soluble magnesium from Thorne is no exception.
For this particular problem, calf cramps. The results are noticable within a couple of days. If I stop taking magnesium for 3-5 days the cramps come back.
Thorne powder has a berry flavor that is very similar to bubble gum. It dissolves easily without leaving any lumps. Is great to help you take your other supplements. I've been taking this for about 3 weeks with no cramps. Price is a little higher than capsules typically are. This works for me and the tub should last two-months if you follow the directions.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Easy Way to Add Magnesium Support
Magnesium is one of those supplements many people find helpful as part of their wellness routine. The powder format makes it easy to adjust serving sizes and mix into drinks.
One thing I liked was the citrus berry flavor, which made it more pleasant than many unflavored supplements. Overall, a convenient magnesium option from a well-known brand
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Great Taste and Mixes in Water Well
I’ve been using this magnesium citrate powder for a little while now, and overall it’s been a positive experience. One of the standout aspects is how well it mixes. It dissolves easily in water with minimal residue, which makes it much more convenient compared to some other powdered supplements I’ve tried. The citrus berry flavor is also quite good: light, slightly sweet, and easy to drink without being overpowering. The powder format makes it simple to adjust how you take it (more or less water, etc.), and I didn’t notice any strong aftertaste. From a general usability standpoint, this checks the boxes I look for in a supplement: good taste, easy mixing, and consistent quality. Thorne also has a strong reputation, and this product feels in line with that in terms of formulation and overall experience. As with any supplement, individual experiences can vary, but from a taste, mixability, and convenience perspective, this has worked well for me. Overall, this is a solid option if you’re looking for a magnesium citrate powder that’s easy to take on a regular basis.
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Reviewed in the United States on April 30, 2026
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