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Sorry but this SKU# 113990578 is unavailable from Seeed now.
You can buy it from the original manufacture or other distributors.
The unfilled orders will be shipped out in two batches: 2nd Nov. & 9th Nov.
For the technical support, pls feel free to contact Seeed or ask the original manufacture for help.
You can refer to ESP32-WROOM-32U, it supports the external antenna .thanks.
Hi there, please refer to **https://github.com/SeeedDocument/forum_doc/blob/master/reg/ESP32-Audio-Kit_V2.1-Audio.pdf** and **https://github.com/SeeedDocument/forum_doc/raw/master/reg/ESP32-Audio-Kit_V2.1-Power.pdf**. For the BOM, we do not have a plan to release yet. thanks.