FSC-BW236 is a highly integrated low power dual-band (2.4GHz and 5GHz) Wi-Fi 4 and Bluetooth Low Energy (v5.0) SoC module based on Realtek RTL8720DN chipset. lt consists of a high-performance Cortex- M4F MCU, a low power Cortex-M0 MCU, WLAN (802.11 a/b/g/n) MAC, an 1T1R capable WLAN baseband, RF, Bluetooth and peripherals. It supports external antennas and can increase wireless coverage. The FSC-BW236 is a versatile combo module designed specifically for inverters, car DVRs, and wireless printers. With Bluetooth 5.0 and Wi-Fi 4 (2.4GHz & 5GHz dual-band) capabilities, this module offers reliable and high-speed connectivity for seamless wireless data transmission. Equipped with Feasycom firmware, the module offers simple access to all functionality through UART AT commands.
| Wi-Fi | |
|---|---|
| Standard | Wi-Fi 4 (IEEE 802.11a/b/g/n) |
| Frequency | 2.4 GHz / 5 GHz |
| Transmit Power | +17.5 dBm (Max.) |
| Modes | STA, AP |
| Protocols | TCP, UDP, HTTP, MQTT, other custom protocols |
| Antenna | On-board PCB antenna by default Support installing on-board Ipex connector and external antenna on EXT_ANT pin |
| Bluetooth | |
|---|---|
| Standard | Bluetooth 5.0 Low Energy (BLE) |
| Frequency | 2.4 GHz |
| Transmit Power | +8 dBm (Max.) |
| Profiles | ATT, GATT, other custom profiles |
| Antenna | On-board PCB antenna by default Support installing on-board Ipex connector and external antenna on EXT_ANT pin |
| General | |
|---|---|
| Chip | Realtek RTL8720DN |
| Dimension (mm) | 13 × 26.9 × 2.2 |
| GPIO Count | 16 |
| Host Communication Interface | Default: UART
Custom: SPI |
| Operating Temperature | Default: -20°C ~ +85°C
Optional (BW236C): -40°C ~ +105°C |
| Storage Temperature | -40°C ~ +105°C |
| Supply Voltage | VDD: 3.0V ~ 3.6V |
| Firmware Upgrade | OTA |
| Certifications | FCC, CE, TELEC, KC, IC, SRRC |
