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.