ETRX357HR-LRS

RF Transceiver Modules And Modems Overview

The Silicon Labs ETRX357HR-LRS is a Zigbee radio module based on the EM357 chip, designed for 802.15.4 wireless communication. It operates in the 2.4 GHz frequency band with a data rate of 250 kbps and features an integrated U.FL antenna connector. The module supports a supply voltage range of 2.1 V to 3.6 V and utilizes a UART interface. Key electrical parameters include a maximum output power of 20 dBm, a receive sensitivity of -106 dBm, and a transmission current of 140 mA. It functions within a temperature range of -40°C to +85°C.

RF Transceiver Modules And Modems Feature Summary

• Integrates ARM Cortex-M3 MCU core with 192KB flash and 12KB RAM
• Provides long-range wireless communication capabilities via 2.4GHz RF transceiver
• Features side castellations for surface-mount assembly

RF Transceiver Modules And Modems Applications

• Smart home automation systems
• Industrial sensor networks
• Building control applications

RF Transceiver Modules And Modems Procurement Notes

Verify component status as the ETRX357 series is marked Not Recommended for New Designs (NRND). Confirm availability through authorized distributors, as stock may be limited. Ensure compliance with RoHS3 specifications and MSL level 3 handling requirements during procurement and storage processes.

RF Transceiver Modules And Modems Selection Notes

Select this module for applications requiring high output power and extended range in compact SMD form factors. Consider the NRND status for long-term project viability. Evaluate the UART interface compatibility and verify that the 2.1V-3.6V operating voltage aligns with system power constraints.

RF Transceiver Modules And Modems Part Context

This module belongs to the ETRX357 series from Silicon Labs, utilizing the Ember EM357 silicon. It is part of the broader Zigbee module portfolio, offering a balance of processing power and RF performance for standard 802.15.4 network implementations.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.