Datasheet RN42, RN42N (Microchip) - 8

RN42/RN42N FIGURE 2-2: RN42N RECOMMENDED FIGURE 2-4: RN42N MODULE PCB FOOTPRINT MOUNTING DETAILS
Top View Top View 7.3 8.9 10.5 20.0 19.7 0.70mm 2.00mm 16.0 14.8 0.80mm 13.6 12.4 11.2 10.0 8.8 7.6 6.4 5.2 4.0 2.8 Shield Pads 0.7 4 Corners 0.0 1.0 x 1.8mm Do not locate vias or surface traces under Shield Pads 0.0 1.1 2.6 3.6 4.9 6.1 7.3 8.5 9.8 10.8 12.3 13.4 Dimensions are in millimeters
Note:
Example U.FL connector layout
FIGURE 2-3: RN42 MODULE MOUNTING DETAILS
Top View Keep area around antenna (approximately 31 mm) clear 31mm of metallic structures for best performance Edge of 31cm Ground 5.3mm Plane 20.5mm DS50002328A-page 8  2015 Microchip Technology Inc. Document Outline Class 2 Bluetooth® Module with EDR Support Table of Contents 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 (RN42N) 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: RN42 European Compliance Testing 3.4 Australia 3.5 New Zealand 3.6 Japan 3.7 Korea 3.8 Taiwan 4.0 Ordering Information TABLE 4-1: Ordering Information(1) Worldwide Sales and Service