RAKwireless RAK18030

RAK18030 is a WisBlock Audio module, based on the SPK0641HT4H-1 module from Knowles, that extends the WisBlock system . This module is a mono PDM 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: 26 uA ~ 800 uA
• Chipset: SPK0641HT4H-1
• PDM Microphone
• Left or Right Channel Selection
• Flat frequency response: 20 Hz - 20,000 Hz
• Low distortion of 2.2% at 115 dB SPL
• 64.5 dB(A) Signal-to-Noise Ratio
• Omnidirectional sensitivity
• Module size: 15x25 mm