E104-BT52 DA14531 ble 5.0 2.4GHz ISM ble to UART Module Low Power CDSENET
[IC]：DA14531
[Frequency]：2.402~2.480GHz
[Protocol]：BLE5.0
[Distance]：90m
[Size]：14.5*10mm
[Weight]：1.2±0.1g
[Introduction]：E104-BT52 is a serial to ble master-slave integrated module based on ble 5.0. It is small in size and low in power consumption, working at 2.4GHz. E104-BT52 is developed by Chengdu Ebyte Electronic Technology Co., Ltd. based on the dialog DA14531 chip.
Official Store| Main Parameters | Performance | Remarks | |
| Min. | Max | ||
| Power supply（V） | 0 | 3.6 | Over 3.6V damages module |
| Blocking power（dBm） | - | 10 | Chance of is slim when modules are used in short distance |
| Operating temperature（℃） | -40 | +85 | Industrial grade |
Operating parameter
| Main Parameters | Performance | Remarks | ||
| Min. | Typ | Max | ||
| Operating voltage（V） | 2.1 | 3.3 | 3.6 | ≥3.3V ensures performance |
| Communication level（V） | - | 3.3 | - | 5V will damage modules |
| Operating temperature（℃） | -40 | - | +85 | Industrial design |
| Operating frequency（MHz） | 2402 | - | 2480 | For ISM band |
| TX Current(mA) | - | 4.0 | - | Default parameter |
| RX current（mA） | - | - | - | - |
| Sleep current（μA） | - | 1 | - | Default parameter |
| TX power（dBm） | -19.5 | 0 | 2.5 | - |
| Receiving sensitivity（dBm） | - | -94 | - | Air data rate 1Mbps |
| Sleep advertising current(default) | - | 9.44 | - | Unit uA, default advertising gap 1S |
| Sleep connection current (default) | - | 61 | - | Unit uA, default advertising gap 1S |
| Wake-up advertising current (default) | - | 403 | - | Unit：uA, default advertising gap 1s |
| Sleep without advertising current (default) | - | 2 | - | Unit：uA, default connection gap 500ms |
| Main parameter | Description | Remarks |
| Distance | 90m | In open and clear air, weight 2.0 meter; @2.5dBm; Air data rate：1Mbps |
| BLE protocol | BLE5.0 | - |
| Communication interface | UART | - |
| Package | SMD | - |
| Size | 14.5*10mm | - |
| Antenna | PCB | 50Ω |