Wireless Module Arduino compatible HC-05 HC05 Bluetooth The bluetooth HC-05 module is one of the best options for projects where you need wireless communications. The transceiver module (transmission / reception) allows bluetooth wireless connections as master or slave, works transparently as if making a wired RS-232 TTL serial connection. Arduino Wireless Module HC-05 HC05 Bluetooth features: - CSR BC417 Chipset - Power: 3.3. - Bluetooth version V2.0 + EDR - Frequency: 2.4GHz ISM band - Modulation: GFSK - Approximate range: 10m - Security: Authentication and encryption - Speed- & gt; Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps - Supports AT commands for configuration through a serial port temperature: -20 ºC to +75 ºC Code W0019 ✗ Out-of-Stock Price €8.90