- Based on ESP-12E.
- The new four-layer board design.
- The new revision antenna RF performance optimization, communication distance is increased by 30% -50% compared to ESP-12E!
- Semi-hole chip technology, the whole IO leads, with metal shielding shell
- Passed FCC & CE & RoHS certification
- Built-board PCB antenna
- 4M bytes SPI Flash for programming.
Pins and footprint are fully Compatible with ESP-12E and our relevant breakout board.