| Ai-Thinker Ai-WB1-A1S WiFi Bluetooth 4.2 Voice Module | |
| RF Ailesi/Standart | General ISM < 1GHz |
| Model | Ai-WB1-A1S |
| Package | SMD-38 |
| Size | 31.5*19.0*3.1(±0.2)mm |
| Antenna | Default on-board PCB antenna/compatible IPEX base |
| Frequency | 2400 ~ 2483.5MHz |
| Operating temperature | -40℃ ~ 85℃ |
| Storage temperature | -40℃ ~ 125℃, < 90%RH |
| Power supply | Support voltage 3.0V ~ 3.6V,supply current ≥500mA |
| Interface | UART / GPIO / ADC / PWM / I2C / SPI / Touch senser / PSRAM / SDIO / DuplexI2S / Microphone / Speaker |
| IO | 11 |
| UART rate | Default 115200 bps |
| Security | Wi-Fi WMM / WMM-PS / WPA / WPA2 / WPS |
| Flash | Default 2MByte,Maximum support 16MByte |
| PSRAM | None by default, can support expansion, maximum support 64Mbyte |