ESP32-EVB is our popular board, which allow things to be connected to Ethernet or WiFi/BLE. Many customers use them in their products and always asked how to put ESP32-EVB in metal boxes, so far the internal antenna made this hard to achieve.
Now we made new version with ESP32-WROOM-32u and External antenna. First prototypes are ready and we now do testings. New metal box similar to BOX-LIME is designing now:
Our goal is to have ESP32-EVB-EA with metal box enclosure by the end of August for sale.
olimex 
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