esp-12e serial port

Communication interface voltage: 3.3V
Working current: 240 mA (MAX)
Serial port baud rate: 115200 (default), can be modified to other values by AT command
Serial communication format: 8N1
Wireless Network Mode: station / softAP / SoftAP + station
Wireless criteria: 802.11 b / g / n
WIFI @ 2.4 GHz, support for WPA / WPA2 security mode
+19.5dBm output power
Tutorial
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NOTE: Vendor of these module may be different as per lot. It is not AI Thinker.