Features:
Model: ESP-01S, compatible with Arduino.
Operating Voltage:3.0-3.6V.
Wireless Network Mode:station/softAP/SoftAP+station.
Support 3 modes: AP, STA, AP + STA. Universal application options thanks to three available operating modes: Wlan Router (AP), Wlan Client (STA) and both at the same time (AP + STA)!
Latest version ESP-01S,with stronger signal.
Frequency Range:2.4GHz-2.5GHz.
Size: 25 x 15 x 11mm
Weight: 1.7g
Packing List:
4 x ESP-01S