The Ai Thinker ESP-01S is a 2.4GHz short range Wi-Fi module with integrated antenna.  It is suitable for Arduino projects requiring wireless control, or for creating Wi-Fi controlled switches.

Specifications
RF Output Power:
Up to +18dBm
RF Input Sensitivity: Better than -90dBm at 1Mbps
Antenna Gain:
0dBi
Operating Voltage::
+3.0 to 3.6v
Current RX Mode: 56mA Maximum
Current TX Mode: 170mA Maximum
Module Size: 24.7mm L x 16mm W x 3mm H

ESP-01S 2.4GHz Wi-Fi Module

  • Brand: Ai Thinker
  • Product Code: ESP-01S
  • Quantity In Stock: 40
  • $5.95

  • Export: $5.41

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