Buy Radio, TV & Video Components in South Africa - Local Stock & Fast Pickup

Instant access to radio, TV and video parts-locally

Need coax, HDMI, RF tuners, video baluns or broadcast-grade connectors today? Communica stocks a wide selection of radio, TV and video components for makers, students, technicians and procurement teams across South Africa. Shop with confidence knowing parts are held locally in Samrand and our branch network, reducing lead time and simplifying project planning.

Why buy with Communica

• Local availability: check stock in Samrand or your nearest branch for same-day collection.
• Practical selection advice: compatibility notes and accessory bundles for AV installations.
• Account-friendly: VAT invoices, quotes and bulk ordering support for institutions and businesses.

Whether you are building a school AV system, repairing a set-top box, or prototyping RF front-ends, we prioritise choices that minimise waiting and simplify integration. Browse related categories and brands to compare parts and find alternatives fast: Shop by category, explore our full product range at All Products, or learn about Communica's history and service model on our About Us page.

Fast stock checks and local collection

We know lead times matter. Use our stock checks to see availability in Samrand or request branch collection-helpful for urgent campus projects or technician site calls. For branch hours and locations, view Branches & Trading Hours.

Common radio, TV and video parts we supply

• Coaxial cables and RF connectors (BNC, F-type, SMA) for antenna and CCTV runs.
• HDMI, DisplayPort and AV cables plus bulkheads and panel mounts.
• Signal converters, video baluns and passive splitters for distribution.
• Replacement tuners, modulators and small broadcast peripherals for labs and repairs.

Prefer to browse brands? See our stocked brands to match parts and datasheets: Shop by Brand.

Spec guidance, compatibility notes and simple calculations

Choosing the right component is about matching specifications. Key callouts include impedance (50 vs 75 ohm), connector gender and shielding. For example, CCTV and broadcast coaxial runs commonly use 75 ohm cable and F or BNC connectors, while RF test and some radio applications use 50 ohm SMA or N-type connectors.

Quick reference table: common specs

Signal level calculations often use decibels. For voltage ratios: dB = 20 * log10(Vout / Vin). Use this to estimate attenuator effects or cable loss when planning long runs.

Wiring example (simple composite video split)

Source ---> RCA (male) ---> Splitter ---> RCA (female) ---> Monitor 1
                                       |--> Monitor 2

When splitting analog video, account for amplitude loss and use active distribution for more than two outputs. For digital HDMI distribution, use powered splitters that support the resolution and HDCP version required.

Troubleshooting and procurement tips

• Lost signal after replacement? Verify impedance and connector polarity first.
• Intermittent audio/video: reseat connectors and test with a short, known-good cable.
• Long runs: choose low-loss cable; for HDMI over distance, consider active extenders.

For parts availability during busy semesters or project milestones, check stock or request a quote so procurement teams can secure items ahead of time. You can check stock in Samrand across product families, compare specs, or request a formal quote to get started.

Handling objections

Concerned about compatibility? Our product pages include spec sheets and we offer bundles (cable + connectors + test leads) to simplify purchases. Need bulk pricing or a formal VAT invoice for an institution? We provide account quotes and documentation to support procurement requirements.

In summary, buying radio, TV and video parts locally with Communica reduces wait time, simplifies returns and keeps projects on schedule. Shop Now, Check Stock in Samrand, Compare Specs or Request a Quote to get started.