Yahboom Bluetooth module (4.0)

Yahboom Bluetooth module (4.0)

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This Bluetooth module is designed for smart wireless data transmission. It adopts CC2541 chip, 256KB space, and follows the V4.0BLE Bluetooth specification. It supports AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed. This module supports UART interface and supports SPP Bluetooth serial port protocol, which can realize its powerful functions with only a few peripheral components.


  • Transceiver without byte limit, the transmission distance can up to 10m.
  • Low power consumption.
  • Near Field Communication.
  • No need to pair, close to automatic connection.
  • Transparent heat shrinkable tube protection.


PCB size: 37mm*16mm

Weight: 4g

Transmission distance: 10~20m

Reaction rate:<0.4s

Operating frequency: 2.4GHz ISM band

Modulation method: GFSK (Gaussian Frequency Shift Keying)

Sensitivity: ≤ -84dBm at 0. 1% BER

Transmission rate: Asynchronous: 6 kbps Synchronous: 6 kbps

Security features: Authentication and encryption

Support Services: Central & Peripheral UUID FFEO, FFE1

Power consumption: In the automatic sleep mode, the standby current is 400uA^ 1. 5mA, and the transmission is 8. 5mA.

Power supply: +3. 3V DC 50mA

Appearance size: 26. 9mm x 13mm x 2.2 mm

Function: master-slave

Package list

Bluetooth module 4.0 *1


Yahboom Bluetooth 4.0 module



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