Buy CABRG58CU Coax Cable Online in South Africa - Local Stock & Specs
Order CABRG58CU RG58-style coaxial cable online in South Africa. Compare specs, check stock in Samrand/Pretoria/Cape Town, request VAT quotes and branch pickup.
50Ω RF Cable
CABRG58CU is a 50 ohm RG58-style coax for antennas and test leads.
Local Stock & Pickup
Check Samrand, Pretoria or Cape Town branch availability and VAT invoices.
Termination & Accessories
Choose pre-made leads or reel + connectors + crimp tool bundles.
Overview: CABRG58CU coax cable for RF and antenna use
CABRG58CU is a 50 ohm RG58-style coaxial cable commonly used for RF patch leads, antenna connections, test leads and short RF runs. If you need to buy CABRG58CU coax cable online in South Africa, choose a supplier that stocks known variants, keeps reasonable reel lengths, and provides clear specs so you can match impedance and power handling for your application.
Communica stocks a wide selection of cables and accessories across categories - see our cable collections for related types and accessories.
Explore cable categories or browse brands on our shop-by-brand page to compare jacket materials and connector compatibilities.
Typical specifications and what they mean
| Parameter | Typical CABRG58CU Value | Why it matters |
|---|---|---|
| Characteristic impedance | 50 ohm | Matches common RF equipment and antennas |
| Conductor | Copper (solid or stranded) | Affects flexibility and insertion loss |
| Shield | Tinned copper braid | Provides RF shielding and reduces interference |
| Velocity factor | ~0.66 (typical) | Used to calculate electrical length at frequency |
| Frequency range | DC to ~1 GHz (depends on build) | Higher frequencies increase loss - check datasheet |
Connector compatibility and practical wiring
CABRG58CU is commonly terminated with BNC, TNC, SMA or UHF connectors depending on application. When ordering cable only, confirm whether you need pre-terminated leads or bulk cable for in-house crimping and soldering. For student labs and prototyping, pre-made BNC patch leads save time; for custom runs you may prefer bulk reel lengths.
Simple ASCII wiring for a typical BNC plug on RG58-style cable:
BNC tip ---> center conductor (soldered)
BNC body ---> braid/shield (soldered or crimped)
Poor termination increases VSWR and insertion loss. If you plan to terminate cable yourself, use a proper crimp tool and follow connector assembly instructions.
Local note: stock levels and lead times vary. Check real-time availability for Samrand, Pretoria or Cape Town branches before planning projects.
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Selection criteria: choose the right CABRG58CU variant
When deciding which CABRG58CU cable to buy, consider length, conductor type, jacket material (PVC vs. low-smoke PVC or PTFE), and whether you need pre-assembled connectors. For outdoor antenna runs select UV-resistant jackets; for cramped installations choose a more flexible stranded conductor. Communica's product pages list these details so you can compare options quickly.
Compatibility and accessory bundles
Common accessory bundles that save time include:
- Cable reel + compression BNC connectors + crimp tool
- Pre-made patch leads pack (BNC to BNC) for lab benches
- Weatherproofing kits for outdoor fittings
See related product ranges and compare components on the collections page.
Ordering, stock and procurement notes for South Africa
Communica offers branch collection from Samrand head office, Pretoria CBD and Cape Town. For procurement teams, account quotes and VAT invoices are available on request for purchases in ZAR. Allow for possible lead times on large reel orders or specific brand variants - check the product stock indicator or request a formal quote for firm delivery estimates.
To check availability in a specific branch, use the stock check on the product page or request a quote. Example CTAs: Compare Specs, Request a Quote, Shop Now.
Practical examples and calculations
Calculate electrical length: physical length x velocity factor (typical VF ~0.66). Example: a 2 m CABRG58CU patch lead has an electrical length at RF of approximately 2 m x 0.66 = 1.32 m. Use this when trimming antenna feeders for resonant systems.
Attenuation is frequency-dependent; expect higher dB loss at UHF compared with VHF. For precise figures consult the cable datasheet before critical installations.
Troubleshooting common issues
- High VSWR: check connectors and confirm 50 ohm matching
- Intermittent signal: inspect solder joints and braid continuity
- Excessive loss at frequency: confirm cable variant and length
Sources
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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