From Makers Electronics's description
Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB The Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB is a cutting-edge dual-frequency Wi-Fi and Bluetooth System-on-Chip (SoC) module engineered to deliver robust wireless connectivity across a diverse range of applications. Leveraging the RTL8720DN chip, this module supports both 2.4GHz and 5GHz WLAN frequencies, ensuring compatibility with various network environments and minimizing interference in congested wireless spaces. This dual-band capability enhances its versatility, making it suitable for environments requiring stable and high-speed wireless communication. Features: Support 802.11a/b/g/n 1×1,2.4GHz or 5GHz. Support HT20/HT40 mode. Support for low power beacon listening mode, low power reception mode and lowpower pending mode. Embedded AES / DES / SHA hardware engine. Support TrustZone-M and safed start up. Support SWD debug port access protection and prohibition mode. Support BLE and BT5.0. Bluetooth supports high power mode (7dBm,share the same PA with WiFi). Wi-Fi and BT share the same antenna. Support STA/AP/STA+AP operating mode. Support the Smart Config (APP)/AirKiss (wechat) of Android, IOS (One-click distribution network). Support serial port local upgrade and remote firmware upgrade (FOTA). Specifications: Parameter Specification Model BW16 Package SMD-16 Size 24mm × 16mm × 3mm (±0.2) mm Antenna PCB antenna Frequency Range (Wi-Fi) 2400 – 2483.5 MHz / 5180 – 5825 MHz Bluetooth Version Bluetooth 5.0 Bluetooth Frequency 2.402 GHz – 2.480 GHz Operating Temperature -20°C ~ 70°C Storage Environment -40°C ~ 125°C, < 90% RH Power Supply Voltage: 3.0V ~ 3.6V (Typ: 3.3V), Current > 450 mA Interface UART, GPIO, ADC, PWM, I²C, SPI, SWD Certification RoHS, FCC, CE, SRRC Pin Configuration: No. Pin Name Function 1 PA13 LP_PWM1 / SPI1_MISO 2 PB3 ADC / SWD_CLK 3 CHIP_EN Chip enable port 4 PA15 SPI1_CS 5 PA8 UART_LOG_RXD 6 PA27 SWD_DATA 7 PA26 LP_I2C_SDA / LP_PWM5 8 VDD_3V3 3.3V Power Supply (Max: 450mA) 9 GND Ground 10 PA25 LP_I2C_SCL / LP_PWM4 11 PA7 UART_LOG_TXD 12 PA14 SPI1_CLK 13 PA30 LP_PWM1 14 PA12 SPI1_MOSI / LP_PWM0 15 PB2 LP_UART_RXD 16 PB1 LP_UART_TXD Applications: Smart home and industrial IoT devices. Wireless sensors and controllers. Appliance connectivity via Wi‑Fi or BLE. Bluetooth beacon, mesh, and provisioning. FOTA-capable embedded systems. Edge AI and gateway modules. Package Include: 1x Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB. Data Sheet: BW16
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