[Communication Interface]：UART

[Frequency]：2.4G/868M/915MHz

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

[Communication diatance]：0.5/5km

[Dimensions]：14*20mm

[Product weight]：1.2±0.1g

[Introduction]：EWM22A-900BWL22S is an all-in-one wireless data transmission module with Bluetooth BLE, WiFi, and LoRa 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. It comes with factory-installed firmware and is powerful. It is mainly suitable for data transmission application scenarios.