Labels Milestones
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- Module, Patch on Top, https://www.quectel.com/UploadImage/Downlad/Quectel_L80-R_Hardware_Design_V1.2.pdf QFN-24, Pitch 1.20.
- 6.5mm, https://product.tdk.com/info/en/catalog/datasheets/piezoelectronic_buzzer_ps_en.pdf piezo buzzer self drive.