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Version No.: A9 Issued Date: 2018/11/15 Approval Sheet ( ) (Product): BT 4.2 Module (Nordic nRF51822) (Model No.): MDBT40 Series (Chip Antenna) MDBT40-P Series (PCB Antenna) Advantages of MDBT40 & MDBT40-P Series 1. Long Working Distance MDBT40 Series: Over 80 meters in open space MDBT40-P Series: Up to 60 meters in open space 2. Declaration ID already includes all Nordic applied profiles. 3. Granted major regional certificates, including FCC, CE (EU), TELEC (Japan), SRRC (China), IC (Canada), NCC (Taiwan), KC (South Korea), RCM (Australia & New Zealand) and ANATEL (Brazil). More certifications for MDBT40-P module: see 9 Certification. Index 1. Overall Introduction ..................................................................................... 4 1.1 Applications ................................................................................................................. 4 1.2 Features ...................................................................................................................... 5 1.3 Profile & Service Information ....................................................................................... 6 2. Product Dimension ...................................................................................... 7 2.1 PCB Dimension & Pin Indication .................................................................................. 7 2.2 Recommended Layout of Solder Pad .......................................................................... 9 2.3 RF Layout Suggestion (aka Keep-Out Area) .............................................................. 12 2.4 Footprint & Design Guide........................................................................................... 14 2.5 Pin Assignment .......................................................................................................... 15 3. Main Chip Solution ..................................................................................... 16 4. Shipment Packaging Information ............................................................. 17 4.1 Marking on Metal Shield ............................................................................................ 18 4.2 Tray Info .................................................................................................................... 18 5. Specification ............................................................................................... 19 5.1 Industrial Temperature Range .................................................................................... 19 5.2 Absolute Maximum Ratings ....................................................................................... 20 5.3 Operation Conditions ................................................................................................. 20 5.4 Electrical Specifications ............................................................................................. 21 6. Block Diagram ............................................................................................ 27 7. Antenna ....................................................................................................... 28 7.1 MDBT40 Series ......................................................................................................... 28 7.2 MDBT40-P Series ..................................................................................................... 30 8. Reference Circuit ....................................................................................... 31 8.1 nRF51822 Schematic with Internal LDO (Modules Default) ..................................... 31 8.2 nRF51822 Schematic with 1.8V Low Voltage Mode ................................................... 32 8.3 nRF51822 Schematic with Internal DC/DC Converter ................................................ 33 9. Certification ................................................................................................ 34 9.1 Declaration ID ............................................................................................................ 34 9.2 FCC Certificate (USA) ............................................................................................... 35 9.3 TELEC Certificate (Japan) ......................................................................................... 37 9.4 NCC Certificate (Taiwan) ........................................................................................... 38 9.5 CE Test Report (EU) .................................................................................................. 40 9.6 IC Certificate (Canada) .............................................................................................. 42