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E104-BT40 Ebyte serial to dual-mode bluetooth 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 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 -