HUAZHU AT-09 1PCS Bluetooth 4.0 Module Transceiver BLE CC2540 CC2541 HM-10 MLT-BT05

· The AT-09 is a module that contains a BLE chip (a CC2540/CC2541). · This module allows to perform serial communication with the BLE chip thanks to an Rx and a Tx pin. You can set it as slave or master and use AT command to set the baudrate. ~The module is also very similar to the HM-10 module and is also compatible with it so if you have some experience with the latter, you will get started quickly with the AT-09. This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with your iPhone/iPAD, IOS 6 or Android 4.3 above devices.