E104-BT40 Ebyte serial to dual-mode ble module ble 4.2 spp3.0 Classic 2.4g wireless module rf support AT command
[Frequency]：2.400~2.480GHz
[Protocol]：V4.2+V3.0 SPP
[Distance]：30m
[Size]：21*13mm
[Weight]：0.8±0.1g
[Feature]：Low power consumption，Dual-mode Bluetooth module
[Product weight]：0.8±0.1g
[Introduction]：E104-BT40 module is a serial to dual-mode ble slave module based on ble 4.2 + 3.0 version, namely low power consumption ble and classic ble SPP Profile, which can freely switch between ble and Classic ble, working at 2.4GHz.
Official Store| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2400 ~2480 MHz | - |
| Transmitting power | 3 dBm | - |
| Receiving sensitivity | -96 dBm | - |
| Reference distance | 30m | - |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 21 *13 mm | - |
| Antenna | PCB | 50Ω Impedance |
| Communication interface | UART | All I / Os of the microcontroller are exported, see the chip manual for details |
| Package | SMD | - |
| Electronic parameter | Min | Typ | Max | Unit | Remarks |
|---|---|---|---|---|---|
| Operating voltage | 2.5 | 3.3 | 3.6 | V | ≥3.3 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5VTTL, it may be at risk of burningdown |
| Idle state | 3.9 | - | 6 | mA | - |
| BLE connection | - | 3.26 | 9.2 | mA | - |
| SPP connection | - | 6.78 | 9.2 | mA | - |
| Operating temperature | -40 | - | +85 | ℃ | - |