XM-15B Bluetooth Serial Port Module Master Slave Arduino compatible HC-05/06 XM-15B Bluetooth Serial Port Module Master Slave Compatible Arduino HC-05/06 features: * Power 3.0V -6V* 3.3V / 5V logic levels* Bluetooth version V2.1 + EDR* Frequency: 2.4GHz ISM band* Reach approx. 30m* Security: Authentication and encryption* Supports AT commands for configuration through a serial port* Working temperature: -20 ºC to +75 ºC* Working current - 50 mA* PCB dimension: 35 x 19m -Using the conventional Bluetooth CSR chip, the protocol standard Bluetooth V2.1 + EDR, passes the Bluetooth BQB certification-Fast start, only 0.3 seconds to complete the initialization of the complete module (including the Bluetooth protocol stack)- Built-in hardware protector, never hangs Code W0022 Available Price €7.49