Catalog > Internet of Things (IOT) Related Products > More Platforms GTC MESSAGE RECORDER ISD1820 GTC MESSAGE RECORDER ISD1820 ISD1820 10 SEC MESSAGE/VOICE RECORD-PLAY MODULE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Onboard ISD1820 chipOnboard Microphone, you can directly Record any Voiceup-to-10-seconds Voice RecordingHigh Quality and Natural Voice Retrieval, can be used as a Loudspeaker ModuleLoop Play, Point Play and Single PlayThe main pin of the chip has been extracted and can be controlled by single-chipWorking Voltage : 3 ~ 5VBoard Size : 54 (mm) x 38 (mm) Downloads Datasheet - ISD1820 PDF File 162.04 KB