SARA-R422-01B

RF Transceiver Modules And Modems Overview

The SARA-R422-01B is a surface-mount cellular and GNSS module from the u-blox SARA-R4 series. It integrates LTE Cat M1, NB2, and 2G connectivity with GNSS capabilities using the UBX-M8 chipset. The module supports multiple protocols including GSM, GPRS, UMTS, HSPA, LTE, CDMA, GPS, GLONASS, Galileo, BeiDou, and GNSS. Operating on frequencies from 700MHz to 2.1GHz, it delivers 33dBm output power with -167dBm sensitivity. Power supply ranges from 3.2V to 4.5V, with current consumption between 65mA and 1.9A. Data rates reach 1.119Mbps using QPSK, GMSK, or 8PSK modulation. It features I2C, SPI, UART, SDIO, USB, and I2S interfaces in a 96-SMD package.

RF Transceiver Modules And Modems Feature Summary

• Supports multi-band cellular communication including LTE Cat M1, NB2, and legacy 2G/3G/4G standards for global coverage.
• Integrates high-performance GNSS positioning utilizing the UBX-M8 chipset for precise location tracking.
• Provides versatile digital interface options including USB, SPI, I2C, and UART for flexible system integration.

RF Transceiver Modules And Modems Applications

• Asset tracking and fleet management systems
• Wearable devices requiring location and connectivity
• Industrial IoT sensors and meters
• Consumer electronics with navigation features

RF Transceiver Modules And Modems Procurement Notes

This component is officially marked as obsolete by the manufacturer. Verification of availability should focus on remaining stock from authorized distributors or secondary market suppliers. Ensure that any sourced units are genuine and match the specific ordering code SARA-R422-01B to guarantee compatibility with existing designs.

RF Transceiver Modules And Modems Selection Notes

Engineers selecting this part must account for its end-of-life status when planning long-term production cycles. The module offers comprehensive protocol support but requires careful consideration of future supply chain stability. Alternative solutions within the same family or newer generations should be evaluated to ensure sustained manufacturing viability.

RF Transceiver Modules And Modems Part Context

Part of the SARA-R4 series, designed for compact applications requiring combined cellular and GNSS functionality. The series targets markets needing reliable wireless communication and positioning in small form factors. This specific model represents an earlier generation solution compared to newer LEXI or SARA-R5 platforms.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers: SARA-R422M8S-00B, SARA-R422S-01B, SARA-R422M10S-01B.