EBYTE OEM/ODM E104-BT54S smallest size STMicroelectronics chip Low power consumption micro BLE RF Module
[Distance]：300m
[Chip]：BLUENRG355MC
[Frequency]：2.40~2.48GHz
[Bluetooth protocol]：BLE5.1 Communication
[size]：28*16*2.7mm
[Product weight]：1.8g±0.1g
[Introduction]：E104-BT54S is a BT5.1 SOC module designed based on based on STMicroelectronics chip.It has a variety of transmission methods, working in the 2.4GHz frequency band, TTL level output, and 3.3V IO port voltage.
Official Store| Main parameters | Parameter value | Remark |
| Reference distance (onboard PCB antenna) | 150m | Onboard PCB antenna |
| Reference distance (IPEX interface) | 300m | TX2400-JK-11 Glue Rod Antenna / Antenna Gain 2.5dBi |
| Packaging method | surface mount | - |
| IC full name | BLUENRG355MC QFN48 | - |
| External dimensions | 28*16mm*2.7mm | - |
| RF interface | IPEX, onboard PCB antenna | Equivalent impedance approximately 50Ω |
| Electrical parameters | Minimum value | Typical value | Maximum value | unit | condition |
| Operating voltage | 1.8 | 3.3 | 3.6 | In | ≥3.3V can guarantee output power |
| Communication level | - | 3.3 | - | In | Using 5V TTL carries a risk of burnout. |
| Emission current | - | 18 | - | m.a. | Instantaneous power consumption @8dBm |
| Received current | - | 11 | - | m.a. | 3.3V voltage |
| Dormant current | - | 1.3 | - | μA | Stop 2 mode, RTC enabled, see chip user manual for details. |
| Operating frequency band | 2400 | - | 2480 | MHz | Supports ISM band |
| Operating temperature | -40 | - | +85 | ℃ | Industrial grade |
| Maximum transmit power | 7.5 | 8.0 | 8.2 | dBm | - |
| Receiver sensitivity | -118 | - | -148 | dBm | - |