RN41/RN41NRN41/RN41 MODULE VARIANTS(1)ModelAntennaFirmwareDescription RN41 Ceramic Chip 4.77, 6.15 Class 1, 2.1+EDR, SPP profile RN41HCI Ceramic Chip N/A Class 1, 2.0+EDR, HCI over UART RN41U Ceramic Chip N/A Class 1, 2.0+EDR, HCI over USB RN41HID Ceramic Chip 6.11 Class 1, 2.1+EDR, HID and SPP profiles RN41APL Ceramic Chip 5.36, 5.43, 5.45 Class 1, 2.1+EDR, SPP & MFi profiles RN41N External 4.77, 6.15 Class 1, 2.1+EDR, SPP profile RN41NAPL External 5.36, 5.43, 5.45 Class 1, 2.1+EDR, SPP and MFi profiles Note 1: See Section 4.0 “Ordering Information” for customer part numbers. Information on firmware versions can be found on the RN41/RN41N product web page and the “Bluetooth Data Module Command Reference and Advanced Information User’s Guide”. DS50002280A-page 2 2014 Microchip Technology Inc. Document Outline 1.0 Device Overview 1.1 MCU Interface 1.2 ASCII Command and Data Interface TABLE 1-1: Environmental Conditions TABLE 1-2: Electrical Characteristics TABLE 1-3: Module Dimensions TABLE 1-4: Radio Characteristics TABLE 1-5: Digital I/O Characteristics TABLE 1-6: Pin Description 2.0 Application Information 2.1 Reset Circuit 2.2 Factory Reset Using GPIO4 2.3 Connection Status TABLE 2-1: GPIO5 Status TABLE 2-2: GPIO2 Status 2.4 Module Mounting Details 2.5 External Antenna Types (RN41N) TABLE 2-3: Tested External Antenna Types 2.6 HCI Mode 2.7 Soldering Recommendations 2.8 SPI Interface 2.9 Bluetooth SIG QDID 2.10 Application Schematic 3.0 Regulatory Approval 3.1 United States 3.2 Canada 3.3 Europe TABLE 3-1: RN41 European Compliance Testing TABLE 3-2: RN41N European Compliance Testing 3.4 Australia 3.5 New Zealand 4.0 Ordering Information TABLE 4-1: Ordering Information Class 1 Bluetooth® Module with EDR Support Worldwide Sales and Service