RN41/RN41NFIGURE 2-2:RN41N RECOMMENDEDFIGURE 2-4:RN41N MODULEPCB FOOTPRINTMOUNTING DETAILS 7RS9LHZ 7RS9LHZ PP PP Top Layer Signal Trace Keep-Out Area PP PP PP Shield Pads X4 0.8 mm x 1.3 mm Do not locate vias or signal traces under Shield Pads Note: Example U.FL connector layout 'LPHQVLRQVDUHLQPLOOLPHWHUV FIGURE 2-3:RN41 MODULE MOUNTING DETAILS 7RS9LHZ Keep area around antenna (approximately 31 mm) clear PP of metallic structures for best performance. Edge of FP Ground PP Plane PP 'LPHQVLRQVDUHLQPLOOLPHWHUV 2014 Microchip Technology Inc. DS50002280A-page 9 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