RAKwireless RAK18032

RAK18032 is a WisBlock Audio module, based on the SPH0655LM4H-1 module from Knowles, that extends the WisBlock system. This module is a ultrasonic microphone module, where the analog audio is converted to a Pulse Density Modulation (PDM) output. When used with other WisBlock modules, you can achieve rich applications such as audio monitoring, recording, and even voice control functions.

Features:

• Voltage supply: 3.3 V ~ 3.6 V
• Current consumption: 40 uA ~ 690 uA
• Chipset: SPH0655LM4H-1
• Ultrasonic PDM Microphone
• Left or Right Channel Selection
• Flat frequency response: 20 Hz - 80 Hz
• Low distortion
• High SNR
• Bottom port
• Omnidirectional sensitivity
• Module size: 15x25 mm