RN-111B-S

RF Transceiver Modules And Modems Overview

The RN-111B-S is a WiFi 802.11b transceiver module operating at 2.4 GHz with integrated chip antenna and surface mount packaging. It supports data rates up to 11 Mb/s using DSSS, DBPSK, and DQPSK modulation. The module features SPI and UART interfaces, operates on a 3 V supply, and draws 110 mA during transmission and 40 mA during reception.

RF Transceiver Modules And Modems Feature Summary

• Integrated WiFi 802.11b transceiver with built-in chip antenna
• Supports DSSS, DBPSK, and DQPSK modulation schemes
• Dual interface capability via SPI and UART protocols

RF Transceiver Modules And Modems Applications

• IoT device connectivity
• Industrial sensor networks
• Embedded wireless communication systems

RF Transceiver Modules And Modems Procurement Notes

Verify the exact part number suffix against official Microchip documentation to confirm pinout and interface configuration. Ensure compliance with RoHS standards and check for moisture sensitivity handling requirements prior to assembly. Confirm availability status as distribution channels may vary.

RF Transceiver Modules And Modems Selection Notes

Select this module when an integrated solution for 802.11b connectivity is required without external RF components. Consider the 3 V supply voltage and current consumption profiles relative to system power constraints. Evaluate the SPI and UART interface options based on host controller capabilities.

RF Transceiver Modules And Modems Part Context

This component belongs to Microchip's family of wireless connectivity modules designed for embedded applications. It provides a compact solution for adding WiFi capabilities to devices requiring reliable short-range communication in the ISM band.

RF Transceiver Modules And Modems Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers or updated revisions within the same product line before implementation.