SARA-R510M8S-61B

RF Transceiver Modules And Modems Overview

The u-blox SARA-R510M8S-61B is a compact LTE-M and NB-IoT module integrating the UBX-R5 cellular chipset with the M8 GNSS receiver. It supports global frequency bands including B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66, and B71. The module features an embedded SIM (eSIM) for secure cloud connectivity and offers a small form factor of 17.2 mm x 17.2 mm x 2.2 mm. It operates on a supply voltage range of 3.0 V to 4.3 V, with typical current consumption of 2 mA in idle mode and up to 1.2 A during transmission. Interfaces include UART, I2C, SPI, and USB.

RF Transceiver Modules And Modems Feature Summary

• Integrated cellular and GNSS functionality combining LTE-M/NB-IoT connectivity with high-precision positioning capabilities.
• Embedded eSIM technology ensures secure over-the-air provisioning and eliminates physical SIM slot requirements.
• Compact surface-mount design facilitates integration into space-constrained IoT devices and wearables.

RF Transceiver Modules And Modems Applications

• Asset tracking and fleet management solutions requiring precise location data.
• Smart metering and utility infrastructure monitoring systems.
• Wearable health and safety devices needing reliable low-power connectivity.

RF Transceiver Modules And Modems Procurement Notes

Verify that the specific -61B suffix corresponds to the required regional frequency bands and regulatory certifications for your target market. Confirm compatibility with existing antenna designs, as the integrated GNSS and cellular radios may require specific isolation or tuning. Ensure the host system supports the necessary power delivery profiles, particularly the peak current demands during LTE-M transmission phases. Cross-reference the firmware version with application requirements to guarantee support for desired network protocols and security standards.

RF Transceiver Modules And Modems Selection Notes

Choose this module when both cellular IoT connectivity and accurate GNSS positioning are required within a single compact footprint. It is suitable for applications demanding low power consumption alongside robust global coverage. Consider the embedded eSIM if physical SIM replacement is impractical or if remote provisioning flexibility is essential. Evaluate the interface options against the host microcontroller's available peripherals to ensure seamless integration without additional level shifters or protocol converters.

RF Transceiver Modules And Modems Part Context

This component belongs to the SARA-R5 series, which utilizes the UBX-R5 cellular chipset. The series is designed for next-generation IoT applications, offering 5G-ready architectures with enhanced security features. The SARA-R510M8S variant specifically integrates the M8 GNSS receiver, distinguishing it from standard cellular-only modules in the lineup by providing combined communication and navigation capabilities.

RF Transceiver Modules And Modems Replacement Considerations

• SARA-R510M8S