Small Wi-Fi transceiver module based on ESP8266 chip, compatible with 802.11 b / g / n 2.4 GHz standard, has serial interface and antenna on PCB. Ideal for wireless sensor networks, home automation, building automation and custom applications. Dimensions (mm): 24.4x14.5X2.8.

• Flash memory 1 Mbyte
• 802.11 b/g/n
• Wi-Fi Direct (P2P), soft-AP
• Stack TCP/IP
• Output power: +19.5dBm  802.11b mode
• SDIO 1.1/2.0, SPI, UART
• STBC, 1×1 MIMO, 2×1 MIMO
• A-MPDU & A-MSDU aggregation & 0,4 ms guard interval
• Wake up e packet transmission: < 2ms
• WEP, TKIP, AES e WAPI
• Power suply: 3,3 Vdc
• Standby consumption: < 1 mW (DTIM3)
• Weight: 3 grams

• https://nurdspace.nl/ESP8266