[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
[Introduction]:E104-BT40 module is a serial to dual-mode Bluetooth slave module based on Bluetooth 4.2 + 3.0 version, namely low power consumption Bluetooth BLE and classic Bluetooth SPP Profile, which can freely switch between BLE and Classic Bluetooth, working at 2.4GHz.
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 | ℃ | - |