RN42/RN42N Class 2 Bluetooth Module with EDR Support Features Fully qualified Bluetooth version 2.1 module, sup- ports version 2.1 + Enhanced Data Rate (EDR) ASCII command interface over UART Postage-stamp-sized form factor: - RN42: 13.4 x 25.8 x 2.4 mm - RN42N: 13.4 x 20.5 x 2.4 mm Low-power (26 A sleep, 3 mA connected, 30 mA transmit) UART (SPP or HCI) and USB (HCI only) data con- nection interfaces Sustained SPP data rates: 240 Kbps (Peripheral mode), 300 Kbps (Central mode) HCI data rates: 1.5 Mbps sustained, 3.0 Mbps burst in HCI mode Embedded Bluetooth stack profiles include: GAP, SDP, RFCOMM, L2CAP protocols, with SPP, HID, and DUN profile support (does not require any host Memory Amplifier and PCB Antenna stack). Easy Integration into Final Product - Minimize Prod- Bluetooth SIG qualified, end product listing uct Development, Quicker Time to Market Castellated SMT pads for easy and reliable PCB Compatible with Microchip Microcontroller Families mounting (PIC16F, PIC18F, PIC24F/H, dsPIC33 and PIC32) Class 2 power amplifier with on-board PCB trace Up to 10 meter range antenna (RN42) or external antenna (RN42N) Compliance (RN42) Applications - Modular Certified for the United States (FCC) and Canada (ISED) Cable replacement - European RED Assessed Radio Module Barcode scanners - Australia/New Zealand/Japan/Korea/Taiwan Measurement and monitoring systems - Bluetooth SIG QDID Industrial sensors and controls Integrated Crystal, Internal Voltage Regulator, Medical devices Matching Circuitry, Power Amplifier, Low Noise, (1) RN42/RN42N Module Variants Model Antenna Firmware Description RN42 Integral 4.77, 6.15 Class 2, 2.1+EDR, SPP profile RN42HCI Integral N/A Class 2, 2.0+EDR, HCI over UART RN42HID Integral 6.11 Class 2, 2.1+EDR, HID and SPP profiles RN42U Integral N/A Class 2, 2.0+EDR, HCI over USB RN42APL Integral 5.36, 5.43, 5.45 Class 2, 2.1+EDR, SPP & MFi profiles RN42N External 4.77, 6.15 Class 2, 2.1+EDR, SPP profile RN42NHCI External N/A Class 2, 2.0+EDR, HCI over UART RN42NHID External 6.11 Class 2, 2.1+EDR, HID and SPP profiles RN42NU External N/A Class 2, 2.0+EDR, HCI over USB RN42NAPL External 5.36, 5.43, 5.45 Class 2, 2.1+EDR, SPP & MFi profiles Note 1: For customer part numbers, see Section 4.0 Ordering Information. Information on firmware versions can be found on the RN42/RN42N product web page and the Bluetooth Data Module Command Reference and Advanced Information Users Guide. 2021 Microchip Technology Inc. DS50002328B-page 1RN42/RN42N Table of Contents 1.0 Device Overview...............................................................................................................................................................................5 2.0 Application Information..................................................................................................................................................................... 9 3.0 Regulatory Approval....................................................................................................................................................................... 14 4.0 Ordering Information.......................................................................................................................................................................19 Product Identification System ...............................................................................................................................................................21 Appendix A: Revision History................................................................................................................................................................23 The Microchip Web Site........................................................................................................................................................................25 Customer Change Notification Service.................................................................................................................................................25 Customer Support.................................................................................................................................................................................25 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: