LTE Cat 4 was introduced in the 3GPP Release 8, before the announcement of LTE Advanced (LTE-A). The LTE Category 4 stands as a significant advancement in 4G LTE technology, offering faster data rates and improved network efficiency compared to its predecessors. It delivers a robust, high-speed internet connection suitable for a wide range of applications that demand higher data throughput.

LTE Cat 4 technology supports higher bandwidths essential for better user experiences in streaming, browsing, and communication. It retains the advantages of LTE, such as reduced latency and enhanced network capacity, making it a popular choice for both mobile devices and stationary applications.

LTE Cat 4 is suitable for IoT applications that demand high-speed data transmission,like telematics control systems, e-mobility, and asset tracking. It is also widely preferred in applications in the smart metering domain including smart grid management and critical equipment monitoring. It is also adaptable for a wide range of other IoT use cases like smart cities, smart lighting, and more.

Trusted by Industries for Peak Performance

Cavli Wireless brings the competent C-Series LTE Cat 4 Modules delivering peak download speeds of up to 150 Mbps and upload speeds of up to 50 Mbps. The Cavli LTE Cat 4 Modules are feature-enriched with integrated GNSS, eSIM integration, multi-interfaces, and 2G fallback ensuring a reliable and seamless connectivity for your IoT deployments. Cavli LTE Cat 4 modules are powered by Hubble connectivity platform, which efficiently handles device management, in-house MQTT service, and FOTA updates. Cavli Wireless enables you to deliver cutting-edge IoT devices with robust LTE Cat 4 modules, driving the next generation of solutions for the connected world.

LTE Cat 4 IoT Modules

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Highlights and Advantages of C-Series
LTE Cat 4 IoT Modules

Network access enabled for LPWAN

Form Factor

C20QM and C10GS are available in LGA and MiniPCIe form factors, enabling OEMs to choose the best-suited footprint for specific requirements in IoT systems.

Data Partnerships with regional telecom operators

LCD Interface

The CQS290 and C20QM modules support USB, UART, and LCD interfaces empowering control unit applications in ICE Bikes, EV charging stations, E-scooters, and environment monitoring solutions.

Data Partnerships with regional telecom operators

LTE Bands

Cavli C-Series LTE Cat 4 Modules like C10GS support LTE bands for global deploymnet. The AQ20 and C20QM module support VoLTE and SMS capability over IMS/SG/CS mobile communication protocols.

Tamper proof IoT deployment

OS and Network Speeds

C20QM and AQ20 run on Yocto Linux, CQS290 is an Android module and C10GS runs on Linux. The rapid data transfer capability of 150 Mbps download and 50 Mbps upload speeds, enables swift communication and real-time data processing, ideal for IoT applications handling large data files.

Data Partnerships with regional telecom operators

GNSS Support

Cavli C-Series LTE Cat 4 Modules with integrated GNSS positioning, provide real-time location data from satellite constellations, enabling OEMs to build precise location tracking in applications like logistics and transportation, with low BOM.

Data Partnerships with regional telecom operators

Fallback Capability

The C20QM and AQ20 modules incorporate 2G fallback capability. When an primary connectivity network (4G) is unavailable, it falls back to the legacy 2G cellular network to provide a undisrupted network connectivity for your IoT applications.

Go Beyond and Explore


LTE Category 4 (LTE Cat 4) is a standard within the LTE broadband technology that allows for faster data transmission rates compared to earlier LTE categories. It supports maximum data rates of up to 150 Mbps downlink and 50 Mbps uplink. This significant increase in speed enhances user experiences by enabling higher-quality video streaming, faster downloads, and more responsive web browsing, which is crucial for both consumer and business applications.

While primarily known for its benefits in consumer mobile devices, LTE Cat 4 also offers advantages for IoT applications that require high data throughput. It is ideal for IoT scenarios such as HD video surveillance, in-vehicle infotainment systems, and remote control of heavy machinery, where large amounts of data must be transmitted quickly and reliably.

LTE Cat 4 improves upon LTE Cat 3 by doubling the maximum downlink speeds (from 100 Mbps to 150 Mbps) and increasing the uplink speeds significantly (from 50 Mbps to 75 Mbps). These enhancements are achieved through more efficient use of radio spectrum by employing advanced signal processing techniques and modulation schemes, specifically 64-QAM (Quadrature Amplitude Modulation) in the downlink.

Deploying LTE Cat 4 technology requires network infrastructure that can support its higher throughput capabilities. This includes upgraded base station equipment and backhaul capacity to handle the increased data rates. Additionally, the deployment area must have sufficient LTE spectrum allocation to accommodate the broader bandwidth requirements of LTE Cat 4.

LTE Cat 4 is less advanced than categories such as LTE Cat 6, which support higher data rates (up to 300 Mbps downlink via carrier aggregation) and better spectral efficiency. However, LTE Cat 4 strikes a balance between cost and performance for applications where extremely high data rates are not necessary but still require a substantial throughput improvement over lower LTE categories.

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