[Operating frequency]: 2.4GHz
[Communication protocol]:BLE 5.3
[Communication range]:150m
[Antenna type]: Onboard PCB
[Size]:10*14.5mm
[Product weight]:0.5 ± 0.1g
[Introduction]:The E104-BT56 series modules are serial-to-BLE Bluetooth modules designed based on the Bluetooth 5.3 protocol. They support Master, Slave, Master-Slave (Dual-role), and Observer modes, accommodating up to 8 simultaneous connections. These modules also support features such as low-power advertising, transparent data transmission, over-the-air (OTA) configuration, and OTA updates, making them suitable for applications in smart wearables, home automation, and more.