Why choose a local communications supplier that actually delivers
Finding the right communications components - from coax, RF connectors and Ethernet hardware to cellular modems, gateways and IoT modules - is about more than price. South African projects need predictable availability, clear lead times, VAT invoices and options for branch collection or urgent couriering. Communica combines deep stock across commons brands with practical buying support so you can finish installations and prototypes on schedule.
Immediate benefits for South African makers and teams
- Local stock visibility and branch pick-up from Samrand, Pretoria CBD or Cape Town reduces lead-time risk.
- Comprehensive part ranges: connectors, cables, cellular modules, antennas, PoE injectors and development boards housed under one roof.
- Procurement-friendly: VAT invoices and account quotes streamline institution and company purchasing.
If you want a quick overview of available categories and to browse parts, start with our collections page: Shop by Category. To learn about the company and local footprint, view our about page: About Communica.
Specification callouts you should confirm before ordering
Communications parts are specification-sensitive. Check these items on any product page or datasheet before purchase:
- Connector type and gender (e.g., N, SMA, RJ45) and mating compatibility with your equipment.
- Cable impedance (50 ohm vs 75 ohm), shielding and recommended maximum frequency.
- Power and supply requirements for modems and gateways (include input voltage range and power consumption).
- Mechanical fit - mounting type, IP rating if relevant, and antenna connector orientation.
For a quick product-wide view, browse the full product index: communications in stock.
Common specification table (quick reference)
| Item | Key spec | When to pick it |
|---|---|---|
| Coax cable RG-58 | 50 ohm, up to ~1GHz | Lab RF work and short runs |
| Coax cable RG-6 | 75 ohm, TV/antenna | Broadcast and TV installations |
| SMA male/female | Threaded, 50 ohm | Antennas for modems and modules |
| Shielded RJ45 (Cat6) | PoE capable, 1Gb/s | Networked devices, PoE cameras |
Need help choosing parts that fit together? Our product pages include datasheets and compatibility notes, and you can explore brands we stock here: Shop by Brand. For branch hours and collection options, see: communications cape town.
