LARA-R211-03B

RF Transceiver Modules And Modems Overview

The u-blox LARA-R211-03B is a surface-mount LTE Cat 1 and GSM RF transceiver module designed for IoT applications. It supports LTE bands 3, 7, and 20, alongside GSM 900/1800 MHz. The module operates within a frequency range of 800MHz, 900MHz, 1.8GHz, and 2.6GHz, delivering a data rate of 10.3Mbps with QPSK modulation. Electrical specifications include a transmit power of 33dBm and a receive sensitivity of -111.5dBm. Power supply ranges from 3.3V to 4.4V, with current consumption between 50mA and 540mA during transmission and reception. It features a 100-SMD package measuring 26.0 x 24.0 mm and supports interfaces including GPIO, I2C, SDIO, UART, and USB.

RF Transceiver Modules And Modems Feature Summary

• Supports LTE Cat 1 connectivity with automatic fallback to 2G networks for continuous communication coverage.
• Integrates proprietary CellLocate technology for cost-effective location estimation based on cellular base station information.
• Provides secure data transmission capabilities through SSL/TLS protocol support with certificate key sizes up to 4096 bits.
• Offers form-factor compatibility with the broader u-blox SARA, LISA, and TOBY cellular module families.

RF Transceiver Modules And Modems Applications

• Asset tracking systems requiring reliable two-way communication
• Alarm panels and security monitoring devices
• Mobile voice terminals utilizing VoLTE or CSFB services
• Smart metering infrastructure for utility data collection

RF Transceiver Modules And Modems Procurement Notes

Verify component status prior to ordering as this specific part number is marked as obsolete in distributor records. Confirm availability of alternative stock or final time buy options if immediate procurement is required. Ensure design-in timing accounts for potential supply chain constraints associated with end-of-life components. Cross-reference official manufacturer documentation for any updated lifecycle announcements or recommended replacement strategies before finalizing purchase orders.

RF Transceiver Modules And Modems Selection Notes

Select this module when LTE Cat 1 performance is sufficient for application data throughput requirements while maintaining backward compatibility with existing 2G infrastructure. Consider the integrated positioning feature if GPS hardware cannot be accommodated due to space limitations. Evaluate the 100-SMD package dimensions against PCB real estate constraints. Verify that the supported network bands align with regional regulatory requirements and carrier certifications for the target deployment area.

RF Transceiver Modules And Modems Part Context

This component belongs to the u-blox LARA-R2 series, which focuses on low-power LTE Cat 1 solutions for the Internet of Things. The series emphasizes ease of integration and migration from previous generations of cellular modules. The LARA-R211-03B variant specifically targets markets requiring robust LTE coverage with GSM fallback, providing a balance between high-speed data transfer and extended battery life for connected devices.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is listed as obsolete, consult official manufacturer channels for current portfolio recommendations or next-generation equivalents that maintain interface and form-factor compatibility.