The Ebyte EWM104-BT09SX is a Bluetooth to serial port slave module based on Bluetooth protocol version 5.0 developed by Ebyte based on Tailingwei's TLSR8208BER chip. It is small in size, low in power consumption, and operates in the 2.4GHz frequency band. The Bluetooth module uses common AT commands to set parameters, and the operation is simple and fast. The module supports slave roles, Bluetooth broadcasting, data transparent transmission, and air configuration. The module can be widely used in smart wearables, home automation, home security, personal health care, smart home appliances, accessories and remote controls, automobiles, lighting, industrial Internet, intelligent data acquisition, intelligent control and other fields. It supports data transmission at a maximum baud rate of 1000000bps.
[Chip solution]：TLSR8208BER
[Operating frequency:]：2.402~2.480GHz
[Communication distance]：120m
[Product size]：10*10mm
| Main parameters | Performance | Remarks | |
| Minimum | maximum | ||
| Supply voltage (V). | 0 | 4.2 | Permanently burn the module over 4.2V |
| Blocking power (dBm). | - | 0 | There is a low chance of burndown when used at close range |
| Operating temperature (°C). | -40 | +85 | Industrial grade |
| Main parameters | Performance | Remarks | |||
| Minimum | Typical | maximum | |||
| Operating voltage (V). | 2.0 | 3.3 | 4.2 | The ≥3.3V guarantees output power, which can be used in the pin definitions | |
| Communication level (V). | - | 3.3 | - | There is a risk of burnout with a 5V level | |
| Operating temperature (°C). | -40 | - | + 85 | Industrial-grade design | |
| Operating frequency band (MHz). | 2402 | - | 2480 | The ISM band is supported | |
| Power consumption | Emission current (mA). | - | 26.4 | - | - |
| Received current (mA). | - | 3.44 | - | - | |
| Sleep current (uA). | - | 0.51 | - | Deep hibernation | |
| Transmit power (dBm). | -50 | 0 | 11.5 |
- |
|
| Reception sensitivity (dBm). | - | -97 | - | The air rate is 1Mbps | |
| Wake-up broadcast current (mA). | - | 3.58 | - | The default broadcast gap is 100ms | |
| Main parameters | Description | Remarks |
| Reference distance | 200 m |
Clear and open environment, height 2.0 m; @11.5dBm; Airspeed: 1Mbps |
| Bluetooth protocol | BLE 5.0 |
- |
|
RF chips |
TLSR8208BER |
- |
|
FLASH |
128KB |
- |
|
SRAM |
16KB |
- |
| Communication interfaces | UART | - |
| Encapsulation | SMD |
- |
| Dimensions | 10*10 mm |
- |
| RF interface | IPEX 3 | The equivalent impedance is about 50 Ω |
| Weight | 0.5 g | ±0.1 g |
