RN4678-V/RM111

RF Transceiver Modules And Modems Overview

The RN4678-V/RM111 is a certified Bluetooth dual-mode module supporting Bluetooth 5.0 and BLE protocols. It operates within the 2.402 GHz to 2.48 GHz ISM band with a Class 2 classification. The module features an ASCII interface via UART, integrated chip antenna, and shielded construction. Electrical parameters include a supply voltage range of 3.3 V to 4.2 V, output power of 1.5 dBm, and receiver sensitivity of -90 dBm and -92 dBm. Data rates support 1 Mb/s and kb/s speeds. Operating temperature spans from -20°C to +70°C.

RF Transceiver Modules And Modems Feature Summary

• Fully-certified Bluetooth dual-mode capability integrating classic Bluetooth and BLE standards
• Embedded firmware stack with accessible ASCII command interface for simplified integration
• Shielded surface-mount design incorporating onboard RF power amplifier and power management subsystem

RF Transceiver Modules And Modems Applications

• Industrial wireless sensor networks requiring reliable short-range communication
• Consumer electronics utilizing Bluetooth Low Energy for peripheral connectivity
• Medical devices needing certified dual-mode wireless data transmission
• Home automation systems integrating classic and low-energy Bluetooth profiles

RF Transceiver Modules And Modems Procurement Notes

Verify component status prior to acquisition as this part may be marked Not Recommended for New Designs. Confirm specific firmware version alignment with project requirements through official documentation. Ensure environmental compliance checks match target market regulations. Validate mechanical footprint compatibility during PCB layout phase. Consult manufacturer lifecycle notices for availability constraints and recommended transition strategies.

RF Transceiver Modules And Modems Selection Notes

Select this module when certified dual-mode Bluetooth functionality is required alongside a straightforward ASCII interface. Consider the integrated shield and antenna for compact form factor designs. Evaluate power consumption characteristics against battery-operated application needs. Verify operating temperature range suitability for intended environmental conditions. Assess UART interface compatibility with host microcontroller serial peripherals.

RF Transceiver Modules And Modems Part Context

This component belongs to the RN4678 series of Bluetooth modules manufactured by Microchip Technology. The series provides integrated solutions combining transceiver, stack, and power management in a single package. The RN4678-V/RM111 variant specifically denotes the version with ASCII interface and shielded module configuration. This family targets applications demanding certified wireless connectivity without complex baseband implementation.

RF Transceiver Modules And Modems Replacement Considerations

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