DSD TECH HM-18 CC2640R2F Bluetooth 5.0 BLE Module Compatible with HM-10 for Arduino

The HM-18 is an upgraded version of the HM-10. The HM-18 uses TI's CC2640R2F chip as the master IC. Compared to HM-10, HM-18 is a Bluetooth 5. 0 BLE module,it has a faster transfer rate and a larger MTU. Specifications Work voltage（VCC: 3. 6V to 6V TTL logic level (TX, RX): 3. 3V Bluetooth protocol: 5. 0 BLE Chip: TI CC2640R2F PIN: VCC,GND,TX,RX The AT commands of the HM-18 module are compatible with the AT commands of the HM-10 module. Precautions: Bluetooth 5. 0 BLE module is not compatible with any Bluetooth 2. 0 SPP device About Test APP DSD TECH offers a free app that lets you quickly integrate this module into your project. For android, Please search "DSD TECH Bluetooth" in Google Play.