Wi-Fi and Bluetooth MCU module integrates an ESP32 dual-core 32-bit LX6 processor with on-board PCB antenna. The module supports 802.11 b/g/n Wi-Fi up to 150 Mbps and Bluetooth v4.2 BR/EDR plus Bluetooth LE. Current mass-production variants provide 4 MB, 8 MB, or 16 MB Quad SPI flash with 8 MB PSRAM. The surface-mount module operates from a 3.0 V to 3.6 V supply across a -40 °C to 85 °C ambient range and measures 18.0 mm by 31.4 mm by 3.3 mm.
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| Module type | Wi-Fi + Bluetooth + Bluetooth LE MCU module |
| Core | Xtensa dual-core 32-bit LX6 |
| Maximum CPU frequency | 240MHz |
| ROM | 448KB |
| SRAM | 520KB |
| RTC SRAM | 16KB |
| Flash memory | 4, 8, or 16 Quad SPIMB |
| PSRAM | 8 Quad SPIMB |
| Wi-Fi standard | IEEE 802.11 b/g/n |
| Wi-Fi maximum data rate | 150Mbps |
| Wi-Fi operating frequency range | 2412 to 2484MHz |
| Bluetooth standard | Bluetooth v4.2 BR/EDR and Bluetooth LE |
| Bluetooth LE operating frequency range | 2402 to 2480MHz |
| Bluetooth LE transmit power range | -12 to 9dBm |
| GPIO count | Up to 24 |
| Pin count | 38 |
| Antenna | On-board PCB antenna |
| Supply voltage | 3.0 to 3.6V |
| Operating ambient temperature | -40 to 85°C |
| Dimensions | 18.0 x 31.4 x 3.3mm |
| RoHS | Compliant |
| REACH | Compliant |
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