LTE Cat 1 bis has become a leading commercial choice for global IoT deployments. It connects the kinds of devices many businesses are building today, and it does so on networks that are already in place almost everywhere.
The appeal comes down to fit. Cat 1 bis matches what buyers prioritize now: broad coverage, mature and widely available modules, acceptable cost, and support for long device lifecycles. That fit is strongest in regions where 5G standalone is not yet widespread.
5G RedCap is the newer alternative, with eRedCap positioned further out as a lower-cost, lower-power option. This guide compares Cat 1 bis and RedCap on the factors that drive a real deployment decision: coverage, cost, power, and speed.
What Is LTE Cat 1 bis?
LTE Cat 1 bis is a version of 4G LTE designed for IoT devices. It delivers up to 10 Mbps downlink and 5 Mbps uplink using a single antenna, which keeps modules smaller and lower cost than standard LTE. Because it runs on the 4G networks already deployed worldwide, it offers broad coverage and supports mobility, voice, and battery-saving features like PSM and eDRX.
That broad reach is why Cat 1 bis has become a common replacement for retiring 2G and 3G devices. It gives products a dependable connection almost anywhere, without waiting on newer network rollouts.
What Is 5G RedCap?
5G RedCap, short for Reduced Capability and sometimes called NR-Light, is a streamlined 5G standard defined in 3GPP Release 17. It trades the peak performance of full 5G for lower cost, complexity, and power, while still offering higher speeds and lower latency than low-power IoT technologies. Peak rates reach up to roughly 220 Mbps downlink in Release 17, within a 20 MHz channel.
RedCap requires a 5G standalone network. Where networks are still 5G non-standalone, a RedCap device falls back to LTE, so its availability depends on where 5G standalone has been deployed. A further-reduced variant, eRedCap, targets even simpler, lower-data devices and extends the same idea down-market.
Cat 1 bis vs. RedCap: Head to Head
The core difference is maturity and reach. Cat 1 bis runs on 4G networks available almost everywhere today, while RedCap offers higher performance but only where 5G standalone coverage exists. The table below summarizes how they compare.
Dimension | LTE Cat 1 bis | 5G RedCap |
Network generation | 4G LTE | 5G NR (standalone) |
Peak speed (DL/UL) | 10 / 5 Mbps | Up to ~220 / 120 Mbps (Rel-17) |
Latency | Moderate | Lower |
Power features | PSM, eDRX | eDRX, PSM |
Coverage & availability | Broad: existing 4G LTE worldwide | Limited: needs 5G standalone |
Relative module cost | Lower today | Higher today, falling with volume |
Maturity | Shipping at volume now | Emerging |
Best for | Mobile devices needing wide coverage | Higher-throughput devices in 5G markets |
Coverage and availability is the biggest differentiator in 2026. Cat 1 bis works on mature 4G almost everywhere, while RedCap is usable only in markets where operators have launched 5G standalone. For global or multi-region products, that gap is decisive.
Cost follows a similar pattern. Cat 1 bis modules are cheaper today because the ecosystem is mature. Early RedCap modules cost roughly USD 30 to 50 per unit, with prices expected to fall to USD 15 to 25 by late 2026 as production scales. On performance, RedCap leads on throughput and latency, but many IoT devices do not need that headroom. On longevity, RedCap rides 5G and has the longer runway, while Cat 1 bis rides 4G, which still has years of support ahead.
When to Choose Cat 1 bis, and When RedCap Makes Sense
Choose LTE Cat 1 bis when you need broad global coverage, lower device cost, and a technology you can deploy at volume today. Choose 5G RedCap when your devices operate where 5G standalone is available and need higher throughput or a longer future runway.
LTE Cat 1 bis is the better fit for:
- Asset tracking and logistics that cross regions and carriers.
- Fleet telematics, including GPS, dash cameras, and vehicle monitoring.
- Smart city and utility devices sending periodic data.
- Point-of-sale terminals and connected products needing wide coverage.
5G RedCap makes sense for:
- Higher-bandwidth devices in markets with mature 5G standalone.
- Video-capable monitoring and richer industrial sensors.
- Premium wearables and devices designed for a long 5G lifecycle.
What This Means for Your 2026 Roadmap
For most deployments shipping in 2026, Cat 1 bis is the practical choice, with RedCap as the migration path to plan for as 5G standalone coverage grows.
The two technologies serve different parts of the market. According to IoT Analytics, NB-IoT and Cat 1 bis will keep driving the bulk of connections and module shipments, while 5G and RedCap grow the premium, higher-bandwidth segment.
The key is to match the module to regional network reality, not just the newest standard. A device built for broad coverage and long life often favors Cat 1 bis, while one targeting mature 5G markets may justify RedCap. Many roadmaps will use both over time, choosing per product and region.
Choosing IoT Connectivity with Velocity IoT
Whichever path fits your roadmap, the network behind the SIM shapes real-world performance. Velocity IoT delivers global, multi-network connectivity through a single multi-IMSI SIM. With access to 600+ carrier networks across 190+ countries, and all major U.S. carriers through one SIM, devices connect to the strongest available network in each location.
Local performance comes from 40+ globally distributed packet gateways that process traffic closer to the device, reducing latency and supporting regional compliance. Our solution comes in multiple form factors, including plastic (2FF/3FF/4FF) and eSIM (MFF2), and you pay only for active SIMs, with no charges for inactive devices.
Getting the right connectivity for what your use cases require is important, and that is what our team is here to help with. Our experts would love to talk with you about how we can help, contact us.
