SARA-R422S-01B

RF Transceiver Modules And Modems Overview

The u-blox SARA-R422S-01B is a surface-mount cellular and GNSS module from the SARA-R4 series, utilizing the UBX-M8 chipset. It supports LTE Cat M1, NB2, EGPRS, and multi-constellation GNSS including GPS, GLONASS, Galileo, BeiDou, and QZSS. The module operates on a supply voltage of 3.2V to 4.5V, with receive currents ranging from 65mA to 1.9A and transmit currents up to 1.9A. It features a 33dBm output power, -167dBm sensitivity, and data rates up to 1.119Mbps. Interfaces include SPI, I2C, UART, USB, and SDIO. Operating temperatures range from -40°C to 85°C in a 96-SMD package.

RF Transceiver Modules And Modems Feature Summary

• Integrated LTE Cat M1 and NB-IoT connectivity with EGPRS fallback for global LPWA coverage.
• Multi-constellation GNSS positioning supporting GPS, GLONASS, Galileo, BeiDou, and QZSS.
• Secure cloud capabilities with band configuration flexibility for diverse regional deployments.
• Supports multiple digital interfaces including SPI, I2C, UART, USB, and SDIO for host integration.

RF Transceiver Modules And Modems Applications

• IoT asset tracking and fleet management systems
• Smart metering and utility infrastructure monitoring
• Wearable health and safety devices requiring location services
• Industrial machine-to-machine communication nodes

RF Transceiver Modules And Modems Procurement Notes

Verify component authenticity through authorized distributors as this part number may be subject to limited supply or end-of-life status. Confirm specific ordering suffixes match required firmware and regulatory certifications. Check current availability status with suppliers, as DigiKey and Mouser indicate restricted sales or discontinuation. Ensure compliance with RoHS3 and REACH standards for target markets. Validate pin compatibility and thermal requirements during procurement planning.

RF Transceiver Modules And Modems Selection Notes

Select this module when simultaneous cellular LPWA and high-sensitivity GNSS positioning are required in a compact form factor. Consider the UBX-M8 baseband for established ecosystem support and broad protocol compatibility. Evaluate interface options such as SPI or UART based on host MCU capabilities. Assess power consumption profiles against battery life requirements, noting the variable current draw during transmission and reception phases.

RF Transceiver Modules And Modems Part Context

The SARA-R422S-01B belongs to the SARA-R4 family, designed for low-power wide-area applications. It complements other u-blox modules like the SARA-R5 series by offering a cost-effective solution with proven reliability. The module shares physical dimensions with other LGA packages in the lineup, facilitating potential design-in strategies across different product generations.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official u-blox lifecycle notices for end-of-life alternatives or contact manufacturers directly for recommended migration paths.