ESP-12HR — Ai-Thinker
ESP8266 WiFi module, 4MB flash, PCB antenna, tape & reel, 2500 pcs

Category: Module

Pricing
  LCSC         $1.05
  Mouser       $1.25
  DigiKey      $1.34
  Farnell      $1.38

Manufacturer: https://www.ai-thinker.com