User ManualTable of Contents1. Product definition41.1. Overview41.2. Major characteristics42. Function and Application52.1. Module appearance and pin distribution diagram52.2. Pin definition72.3. Interface application82.3.1 Power supply circuit82.3.2 Software download92.3.3 Serial interface92.3.4 I2S102.3.5 SDIO102.3.6 I2C112.3.7 ADC113. Antenna (Default Antenna)123.1. Antenna Interface (Optional Antenna)133.2. Radio frequency parameter134. Electrical performance & Reliability134.1. Absolute maximum134.2. Consumption current144.3. Working temperature144.4. Electrostatic protection155. Dimension155.1. Module mechanical dimension155.2. Production welding15Size: 923 KBPages: 19Language: EnglishOpen manual
