Node MCU Wi-Fi Development Board – ESP8266 (CH340)

Voltage:3.3V.

Wi-Fi Direct (P2P), soft-AP.

Current consumption: 10uA~170mA.

Flash memory attachable: 16MB max (512K normal).

Integrated TCP/IP protocol stack.

Processor: Tensilica L106 32-bit.

Processor speed: 80~160MHz.

RAM: 32K + 80K.

GPIOs: 17 (multiplexed with other functions).

Analog to Digital: 1 input with 1024 step resolution.

+19.5dBm output power in 802.11b mode

802.11 support: b/g/n.

Maximum concurrent TCP connections: 5.