LTE vs 5G: cellular technology for your deployment

Ask "how fast is LTE?" or "what's the difference between LTE vs 5G?" and you'll find articles insisting that 5G has made LTE obsolete. It hasn't. Understanding why is the difference between over-engineering a connectivity budget and building a network that matches the job at hand.

Whether it’s an IoT deployment, fleet vehicle, or digital sign, the right network simply comes down to one thing: matching the network to the job.

Sometimes that answer is cellular 5G. Very often, it's still an LTE network. Increasingly, there's a third option worth knowing about: 5G Redcap.

Throughput, Power, and Cost in LTE Design

LTE network speeds are shaped by carrier configuration, spectrum, and device category, and typically range from 10 to 100+ Mbps. While peak theoretical download speeds for LTE-Advanced and LTE-Advanced Pro reach up to 1 Gbps.

That's more than enough for HD video streaming, cloud-based POS systems, real-time telemetry, remote monitoring, and most VoIP applications running comfortably in parallel.

LTE is a family of device categories, each engineered for a different trade-off between throughput, power consumption, and cost.

LTE Speed Categories

This range is why LTE remains the workhorse of industrial and IoT connectivity. A vending machine reporting stock levels once an hour doesn't need gigabit throughput. It needs a low-cost, low-power, dependable LTE network connection, and Cat 1 or Cat M1 hardware delivers that at a fraction of the cost and power draw of 5G silicon.

Meanwhile, a Cat 4 or Cat 6 industrial router can comfortably run a branch office, a kiosk network, or an in-vehicle system without ever touching a 5G tower.

What's Different About Cellular 5G

Cellular 5G isn't simply a faster LTE. It's a different radio architecture, built around three distinct pillars:

• Enhanced Mobile Broadband (eMBB) – the headline-grabbing speed. Peak rates can exceed 10 Gbps under ideal conditions, with multi-Gbps performance in mid-band deployments.

• Ultra-Reliable Low-Latency Communication (URLLC) – latency as low as 1 millisecond. Aimed at applications like remote-controlled machinery, autonomous vehicles, and industrial automation, where delay is disqualifying.

• Massive Machine-Type Communication (mMTC) – support for far higher device density per cell. Built for environments like smart factories or smart cities, where thousands of sensors share the same coverage area.

  
  

5G SA also introduces network slicing, letting operators carve out dedicated virtual networks with guaranteed performance characteristics for specific applications. LTE's architecture wasn't designed to do that.

That capability comes at a cost. 5G modems draw more power and cost more to produce. Particularly for mmWave deployments, they also depend on denser, more expensive infrastructure with shorter range per cell than an LTE network.

Speed, Latency, and Cost Compared

When an LTE Network Is Still the Better Choice

It's tempting to treat LTE as a stopgap on the way to "real" 5G. An LTE network remains the correct engineering choice, not a compromise, for a large share of deployments:

• Remote and rural sites, where 5G coverage is still limited but the LTE network is mature and dependable.

• Battery-powered and low-throughput IoT – smart meters, environmental sensors, asset trackers – where LTE-M and NB-IoT deliver years of battery life that 5G radios can't match.

• Cost-sensitive, high-volume fleets, such as retail kiosks or vending networks, where LTE Cat 1/Cat 4 hardware keeps per-unit cost down without sacrificing reliability.

• Standard branch connectivity and failover, where LTE Cat 4/Cat 6/Cat 12 routers provide dependable primary or backup WAN links at a fraction of 5G hardware and data plan costs.

  
  

If the application doesn't need multi-Gbps throughput or sub-5ms latency, paying the power and cost premium for cellular 5G is simply the wrong trade.

5G Redcap: The Future-Proof Alternative

For deployments that want to keep LTE-level cost and power efficiency but need more runway as carriers retire older network generations, Redcap is useful. It was standardized in 3GPP Release 17 and further refined with eRedcap in Release 18.

Redcap is purpose-built for the middle tier that LTE currently serves. For industrial sensors, video surveillance units, fleet telematics, and utility monitoring. But it runs on the 5G core network rather than an LTE network.

Such devices benefit from 5G's improved latency and network-slicing capabilities while keeping device complexity, power draw, and pricing close to those of established LTE Cat 4 hardware.

Enhanced Redcap (eRedcap) pushes peak downlink down to around 10 Mbps, positioning it as a direct replacement for LTE Cat 1/Cat 1bis.

LTE vs 5G vs 5G Redcap: Choose the Right Network

A practical framework for deciding between LTE, cellular 5G, and 5G Redcap comes down to three points:

1. The throughput and latency the application genuinely requires.

2. The power and cost budget.

3. The expected lifespan of the deployment.

   
   

LTE remains the dependable, cost-effective backbone for the vast majority of industrial and IoT connectivity today. Cellular 5G is the right call where bandwidth, latency, or device density genuinely demand it. 5G Redcap is emerging as the bridge between the two: LTE-like economics on a network built for the next decade.

Teltonika Offers Full Cellular Spectrum

Teltonika builds industrial routers, gateways, and modems across this entire spectrum, from LTE Cat 1, Cat 4 through 5G and 5G Redcap. That means connectivity choices can be driven by what a deployment needs, not by which acronym sounds newest.

Whether you're running a low-power sensor network that only needs to send small bursts of data for years, or a bandwidth-hungry application that demands the lowest possible latency, there's a Teltonika device engineered for exactly that use case.

Contact a Teltonika expert today to find the connectivity device built to last the full lifecycle of your deployment.