[Chip Solution]：-
[Communication Interface]：UART
[Operating Frequency]：2.400-2.480 GHz
[Bluetooth Protocol]：V4.2 + V3.0 SPP
[Communication diatance]：40m
[Size]：16*13mm
[Introduction]：The E104-BT40 Bluetooth module is a serial-to-dual-mode Bluetooth slave module based on Bluetooth 4.2+3.0, supporting Bluetooth Low Energy (BLE) and Classic Bluetooth SPP Profile. It can freely switch between BLE and Classic Bluetooth, operating in the 2.4GHz frequency band. Parameters are set using common AT commands, making operation simple and fast.
Official StoreMain parameters | performance | Remark | |
Minimum | Maximum | ||
Power supply voltage (V) | 0 | 3.6 | Exceeding 3.6V may burn the module |
Blocking power (dBm) | - | 10 | The probability of burning is lower when used at close range |
Operating temperature ( °C ) | -40 | 85 | Industrial grade |
Main parameters | performance | |||
Minimum | Typical values | Maximum | ||
Operating voltage (V) | 2.5 | 3.3 | 3.6 | |
Communication level (V) | - | 3.3 | - | |
Operating temperature ( °C ) | -40 | - | 85 | |
Operating frequency band (MHz) | 2400 | - | 2480 | |
Power consumption | Idle state (mA) | 3.9 | - | 6 |
BLE connections (mA) | - | 3.26 | 9.2 | |
SPP connection (mA) | - | 6.78 | 9.2 | |
Transmit power (dBm) | - | 3 | - | |
Receive sensitivity (dBm) | - | -96 | -9 | |
Main parameters | describe | Remark |
Reference distance | 30m | E104-BT40 |
40m | E104-BT40X | |
Launch length | SPP 100Bytes | SPP payload 100 bytes |
BLE 20Bytes | BLE payload 20 bytes | |
Bluetooth protocol | V4.2+V3.0 SPP | |
Communication interface | UART serial port | All I/O leads of the microcontroller are detailed in the chip manual. |
Packaging | SMD | |
Interface | Stamp hole 1.27mm | 1.27mm pitch |
Dimensions | 21*13mm | Corresponding model: E104-BT40 |
16*13mm | Corresponding model: E104-BT40X | |
Antenna interface | PCB onboard antenna | Equivalent impedance is about 50Ω, corresponding model: E104-BT40 |
IPEX-3 Antenna | Equivalent impedance is about 50Ω, corresponding model: E104-BT40X |