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4G & 5G BROADBAND

📡 4G: What makes it great?

  • All-IP network: Unlike 3G, 4G uses IP (internet protocol) for everything—including voice calls—so everything travels as data packets. 
  • Radio magic: Your phone sends signals to a base station (cell tower) via radio waves. The tower links you to the internet. 
  • Smart tech = faster speeds: Uses MIMO (many antennas for sending/receiving) and OFDM (breaking signals into smaller chunks) to boost speed, capacity, and reliability. 
  • Speed highlights: Typically 20–150 Mbps, with advanced 4G (LTE-A) reaching 300 Mbps or more. Latency sits around 10 ms. 

Why choose 4G & 5G

More spectrum = more power: 5G expands into higher frequencies—from low/mid to millimeter-wave (mmWave)—unlocking massive bandwidth and ultra-fast speeds .

Next-level OFDM + antennas: Builds on OFDM, with smarter beamforming and tiny “small cells” for dense, high-speed coverage .

Slices for every purpose: Network slicing lets carriers carve out separate “virtual networks” on the same physical infrastructure—one for gaming, one for IoT, one for video, etc.

Faster & snappier: Speeds peak at ~20 Gbps, latency drops below 1 ms, and capacity skyrockets—you can support millions of devices in a city block.

Voice via VoNR: Voice calls are handled over 5G data streams (VoNR), similar to VoLTE in 4G.

🔄 How they work together

5G often builds on top of existing 4G networks (called Non‑Standalone deployment):

Control plane via 4G, data plane via 5G gives fast data and stable connection.

In dense areas, 5G small cells take over; elsewhere you still use 4G.

🎯 Why it matters

  • 4G offers fast broadband speeds across the country
  • It is deployable almost immediately so can even be used as a back up if wired broadband goes down!
  • 5G can be very fast reaching over 150mbps.

In summary

  • 4G: Solid, all-IP, plenty fast for most mobile needs. 
  • 5G: Super-fast, ultra-low latency, massive device support—built on smarter spectrum use, small cells, and slicing. 
Dealing with Chris at S2 on our new VOIP system has been a delight. No long delays at the helpdesk, no charges for everything. The only issue was my hesitation because I am used to phone system related issues taking forever to resolve and not the quick chat over the phone they are with S2.
Mike JenveyManaging Director, Jenvey Dynamics
S2 give us the same level of reassurance and service as a top quality in-house IT manager but without the associated costs.
Mike PellManaging Director, Maped Helix
"...this would not have been possible without the fantastic support of S2....your team have stepped up and consistently helped Malachi whenever we have asked....I am delighted that we put our trust in your capable hands."
Tony CollinsDirector, Malachi
By upgrading the IT infrastructure at our head office facility we can now provide instant access to all contractual information from any location in the UK with an internet connection.
John McAuliffeManaging Director, McAuliffe Group
The level of professionalism demonstrated by the team at S2 is second to none!
Marco KrikkeUK Plant Manager - Intralox
...we run 24/7, 365....we constantly need access to our systems.....without S2 we would come to a halt. I'd definitely recommend them, they've got a great service, good customer support, friendly, and always available...
Stuart Morrisey Director, Traffix Ltd

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