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Repairs 23 May 2026 10 min read

UniFi Installation in Sandton: Professional Wireless Network Setup for Johannesburg Businesses

Sandton's business district demands reliable network infrastructure. Whether you're running a small office in Morningside, a retail space in Bryanston, or a medical practice in Fourways, UniFi wireles.

What UniFi Installation Means for Your Sandton Business

UniFi is Ubiquiti's professional wireless platform. It's not consumer WiFi. A UniFi system combines dedicated access points, a controller (on-premise or cloud-hosted), and management software that monitors network health, user bandwidth, and security in real time. For Sandton offices, this means you see exactly who's connected, throttle bandwidth hogs, and isolate guest networks from sensitive data—all from a single dashboard.

We've installed UniFi at accounting firms in Rosebank, architectural practices in Bryanston, and retail operations across Fourways and Midrand. The pattern is always the same: businesses start with frustration over WiFi dead zones or slow speeds, then realise their old consumer router can't handle 40+ devices. UniFi solves that. A typical Sandton office installation includes two to four wall-mounted or ceiling-mounted U6-Lite access points, a cloud key controller, and cabling runs through ceiling voids or conduit—often alongside existing ethernet infrastructure we identify during site assessment.

Load shedding affects your WiFi differently than you'd think. Uninterruptible power supplies (UPS) protecting access points keep your network alive during stage 6 outages, but your internet uplink will still drop if your ISP's infrastructure goes dark. We factor this into every Sandton installation: we recommend battery backup for the controller and at least the primary access point, separate from your main office UPS.

UniFi Installation: Site Assessment and Planning

Every Sandton job starts the same way. We conduct a site assessment from R599—not a guessed estimate, but a proper walk-through with a WiFi analyser, measuring signal strength across your office floor plan, identifying interference sources (microwave ovens in kitchens, 2.4GHz cordless phones, neighbouring networks), and checking your existing cabling. This assessment costs R599 and is non-refundable, but if you proceed with us, we credit it against installation costs.

During assessment, we:

  • Map your office floorplan and note construction materials (concrete blocks kill 5GHz signal faster than drywall)
  • Test your existing internet connection speed and stability (we've found asymmetric ADSL connections in Centurion offices that needed upgrade before WiFi installation made sense)
  • Count active devices and projected growth (a Sandton law firm with 12 staff might need three access points; a Fourways retail space with 25 staff and 15 customer devices needs four, plus a guest SSID)
  • Check your existing ethernet cabling—many Johannesburg offices have Cat5 runs from 2008 that are marginal for PoE (power over ethernet) delivery to ceiling-mounted APs
  • Review your router and internet gateway specifications
  • We've seen Sandton offices with gigabit fibre connections running through ancient 100Mbps switches. The UniFi access points were never the bottleneck. Assessment catches these problems before installation.

    Planning also means choosing your controller architecture. Most Sandton SMEs choose UniFi Cloud Key Gen2+: a dedicated Linux appliance that sits in your server room, runs the UniFi software locally, and optionally syncs to Ubiquiti's cloud for remote access. Alternatively, a Windows PC or NAS running UniFi Network Application works fine—but it must stay powered on. We recommend the Cloud Key for businesses that can't tolerate controller downtime.

    Access Point Selection and Physical Installation

    UniFi's current range includes the U6-Lite (our standard for Sandton offices—R4,200 per unit, 2x2 MIMO, handles 40–60 devices reliably), the U6-Pro (higher power, 3x3 MIMO, better for large open spaces like Morningside showrooms), and the U6-Enterprise (overkill for most Johannesburg SMEs, but we've installed it in Rosebank's larger corporate floors).

    Physical installation is where experience matters. A poorly positioned access point is expensive WiFi dead weight. We mount APs on ceilings (central to your office, away from exterior walls) or high walls, at least 2.5 metres up. Cable runs go through ceiling voids or conduit. Every AP needs PoE power—either from a UniFi PoE switch (which we install in your server room or network closet) or a PoE injector per AP. We run Cat6 or Cat6A cabling—Cat5 works but degrades PoE delivery over long runs, and load shedding events stress power margins.

    In a typical Sandton three-AP installation (Bryanston office, 250 square metres), we expect 4–6 hours on site: cable routing, conduit runs, AP mounting, cabling termination, and initial configuration. We then test every AP's signal strength from multiple points, adjusting placement if dead zones appear. This is where the "from R599 assessment" translates into actual value—we're not guessing. We're verifying coverage before we hand you the keys.

    Network Configuration and Security

    Once hardware is installed, configuration begins. This is the part businesses often skip—they think "just turn it on"—and then complain about slow speeds. Proper UniFi setup includes:

  • SSID creation (name, encryption standard, password length)
  • 2.4GHz vs 5GHz band separation (5GHz is faster but shorter range; 2.4GHz covers distance but slower)
  • Guest network isolation (visitors see separate WiFi, can't access your servers)
  • Band steering (APs automatically push capable devices to 5GHz to free 2.4GHz for IoT devices)
  • Channel optimisation (UniFi's analyser avoids interference from neighbouring networks)
  • VLAN creation for departments or security zones (optional, but common in Johannesburg financial services)
  • We configure POPIA-compliant settings: access logs, device tracking, bandwidth accounting. If you process credit card payments or client data, we implement role-based access control. Sandton's professional services firms appreciate this—it's audit-ready.

    Security updates are automatic on UniFi controllers with cloud sync enabled. We discuss this with every customer: automatic updates mean your network stays patched against known vulnerabilities, but they happen without your approval. Most Sandton businesses accept this trade-off.

    Post-Installation Support and Warranty

    All UniFi installations from ZA Support include up to a three-year warranty on labour (hardware carries Ubiquiti's manufacturer warranty, typically three years). We provide on-site support for the first 30 days—any configuration adjustments, password resets, or dead-zone re-positioning. After 30 days, support moves to phone/WhatsApp consultation: 064 529 5863.

    If an access point fails, we replace it under warranty. If your network degrades (slower speeds, frequent dropouts), we diagnose whether it's WiFi, internet connection, or client device issues. Many Sandton offices blame WiFi for problems that actually live upstream—a failing ISP gateway, for example. No Fix No Fee applies to UniFi installations: if we can't resolve your issue, you don't pay the service call.

    Common post-installation issues we handle:

  • A new employee laptop won't connect → usually 802.11 fast roaming conflict; we adjust settings
  • Mobile devices jump between APs instead of staying connected → band steering tuning
  • IoT devices (printers, access control, cameras) drop offline daily → power management settings or channel interference
  • These aren't failures—they're normal configuration refinement. Every Sandton office is different. We adjust.

    Why Sandton Businesses Choose UniFi Over Consumer WiFi

    A Sandton office running on a consumer ASUS or TP-Link router handles eight devices smoothly. Add 30 devices—staff laptops, phones, printers, IP cameras, VOIP phones—and the router CPU maxes out. Bandwidth distribution becomes unfair (one user streaming video starves everyone else). Guest visitors can't safely connect. You have zero visibility into what's happening.

    UniFi flips this. You see every connected device, bandwidth per user, signal strength per AP. You can isolate a misbehaving printer or a visiting consultant's infected laptop. You can create separate networks for office staff, client WiFi, and building management systems. For Johannesburg businesses handling sensitive data or customer information, this is non-negotiable.

    We've installed UniFi systems that run for four years with a single support call—usually a password reset. That reliability costs more upfront (R15,000–R35,000 for a three-AP Sandton office setup, plus R599 assessment), but it outlasts three consumer routers and eliminates the frustration of connectivity failures.

    Frequently Asked Questions

    Q: How long does a UniFi installation take in Sandton?

    A typical three-AP installation (250–300 square metres office) takes 5–7 hours including assessment, cabling, mounting, configuration, and testing. Larger spaces (Morningside warehouses, Fourways retail) can run 10–14 hours over two days. We schedule around your business hours—most Sandton tenants prefer evening or weekend installation to avoid disrupting staff.

    Q: What's the difference between a UniFi Cloud Key and a software controller?

    Cloud Key Gen2+ is a dedicated Linux device that runs the UniFi software; it's always on, handles controller backups automatically, and costs approximately R3,500. A software controller runs on your existing Windows PC or NAS, costs nothing extra, but requires that machine to stay powered on. For Sandton SMEs, Cloud Key is simpler. For companies with server infrastructure already, software controllers work fine.

    Q: Will UniFi work with my existing internet connection?

    Yes. UniFi is WiFi layer—it doesn't care whether your internet is ADSL, fibre, or LTE. We've installed UniFi behind every ISP connection in Johannesburg. However, if your internet connection is slow or unstable, WiFi won't fix it. We assess your internet health during the R599 site visit and recommend upgrades if needed.

    Q: Can I add more access points later?

    Absolutely. UniFi scales. You might install two APs now and add a third next year when your Bryanston office expands. The controller manages all of them from one dashboard. We add APs for around R5,500 per unit (hardware + cabling + mounting labour), and it takes 2–3 hours.

    Q: Do I need a UPS for UniFi access points?

    Not mandatory, but recommended. During load shedding, access points powered by UPS stay online even when mains power drops. Most Sandton offices we've installed in appreciate WiFi staying alive during stage 6 outages. A PoE UPS (uninterruptible PoE injector) costs around R2,500 and powers three to four APs for 20–30 minutes—enough to reach a generator switchover.

    Q: What does "No Fix No Fee" mean for UniFi?

    If we attend a support call and diagnose the problem but can't resolve it, you don't pay the callout charge. This covers misconfigurations, interference issues, or software bugs we fix on-site. It doesn't cover hardware replacement (covered under manufacturer warranty) or internet connection problems (ISP responsibility). We're honest about scope—if the issue is your modem, we'll tell you before you pay.

    Ready to upgrade your Sandton office to UniFi? Book a R599 site assessment at zasupport.com/book or message us on WhatsApp: 064 529 5863. We'll map your coverage, identify interference, and deliver a no-obligation quote within 24 hours. ZA Support—professional WiFi for Johannesburg businesses.

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    Internal links used:

  • /logic-board-repair (referenced in context of network security for client data)
  • /liquid-damage (referenced in UPS and power protection context)
  • /contact (implicit in booking CTA)
  • External link used:

  • https://support.apple.com (Apple Support standard for professional reference)
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    Courtney Bentley, Apple Certified Expert Consultant at ZA Support

    Written by

    Courtney Bentley

    Apple Certified Expert Consultant

    Former Apple South Africa Manager (2007-2009). Founded ZA Support at age 19 in 2009. Forbes Africa 30 Under 30 (2019). Has personally overseen more than 25,000 Mac repairs at ZA Support's Hyde Park workshop. Specialises in component-level logic board repair, liquid damage recovery, and medical practice IT. BSc Informatics (UNISA). Member of the Apple Developer Program.

    View all articles by Courtney →

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