[Chip]：BLUENRG355MC

[Frequency]：2.40~2.48GHz

[Bluetooth protocol]：BLE5.1 Communication distance: 300m

[size]：28*16mm*2.7mm

[Introduction]：The E104-BT54S module is a wireless SOC module designed based on the BLUENRG355MC chip solution..It has a variety of transmission methods, working in the 2.4GHz frequency band, TTL level output, and 3.3V IO port voltage.