| Integrated circuit/module | module |
| Technology | IEEE 802.11b/g/n |
| Communication interfaces | UART, SPI |
| Frequency | 2.4 GHz |
Espressif provides the SMD module-ESP-WROOM-02 that integrates ESP8266EX.
The module has been adjusted to get the best RF performance. We recommend using ESPWROOM-02 for tests or for further development. The module size is (18.00±0.10) mm x (20.00±0.10) mm x (2.80±0.10) mm.
The type of flash used on this module is an SPI flash with a package size of SOP 8-150 mil. The gain of the on-board PCB antenna is 2 dBi.
