DB DataComms Ltd

FAQs

Clear, no-fluff answers on Wi-Fi, fibre, VoIP, AV and cabling. Use the search or filter by category.

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What’s a predictive Wi-Fi survey and when do we need one? Wi-Fi

A predictive survey models coverage and capacity from drawings before install. Use it for new builds, refits, warehouses or when performance is inconsistent. We validate on-site after install to prove results match the heat-map.

Do you do on-site validation and tuning after install? Wi-Fi

Yes. We walk-test, then adjust channels, TX power and band-steering, fix interference and provide updated heat-maps with a short tuning report.

What is OTDR testing and why does it matter? Fibre

OTDR verifies splice quality and end-to-end loss and pinpoints faults by distance. Results form part of your handover pack and make future fault-finding fast.

Single-mode vs multi-mode — which should we choose? Fibre

Single-mode for long runs or higher bandwidth backbones; multi-mode is fine for shorter inter-cabinet links. We’ll specify from drawings and growth plans.

Can we migrate from a legacy PBX to VoIP without downtime? VoIP

Yes. We stage in parallel, port numbers in a low-risk window and train users ahead of cutover. We can provide interim call forwarding to keep you reachable.

What happens to phones if the internet drops? VoIP

We design failover: 4G/5G backup, call-route failover to mobiles, and desktop/mobile softphones. UPS is recommended for PoE switches and routers.

Will meeting rooms work with Teams, Zoom and BYOD? AV

Yes. We specify kits that support native clients or “bring-your-own-device” via HDMI/USB-C, tuned mics/DSP and simple touch control.

When should we choose Cat6A over Cat6? Cabling

Choose Cat6A for 10-gig uplinks, longer channels or EMI-noisy environments. Every run is labelled and certified; Fluke DSX results are included.

Do you work nights/weekends and alongside other trades? Projects

Yes. We’re programme-led and can phase works out-of-hours to avoid disruption. RAMS, permits and CSCS/IPAF/PASMA are provided as needed.

How do you price and how quickly can we get a quote? Pricing

Fixed proposals are produced from drawings and a short discovery/survey. Simple works can be priced same-day; larger projects follow quickly after a site visit.

Do you offer ongoing support and maintenance? Support

Yes — planned visits, firmware, moves/adds/changes and named engineers with response SLAs. We maintain an asset register and site notes for tidy handovers.

Where do you work? General

North-West and UK-wide. Warehouses, manufacturing, offices, education and more.

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