[Communication Interface]：UART

[Frequency]：2.4GHz + 433MHz

[Communication Protocol]：BLE/Wi-Fi/LoRa

[Communication diatance]：0.5km/5km

[Size]：14*20mm

[Product weight]：1.2 ± 0.1g

[Introduction]：EWM22A-400BWL22S is a BLE, WIFI, and LoRa all-in-one wireless data transmission module developed by Chengdu Ebyte. This series of wireless modules supports BLE, WIFI, and LoRa communications. The LoRa function is compatible with the E22X series modules. It is a SMD type, with a maximum BLE/WIFI transmission power of 20dBm and a LoRa transmission power of 22dBm. The pin spacing is 1.27mm, and it comes with factory-installed firmware. It is powerful and mainly suitable for data transmission application scenarios.