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Bluetooth Module WH-BLE103


SKU: Bluetooth Module WH-BLE103 Categories: ,


WH-BLE103 is low-power Bluetooth module which supports BLE4.2 protocol and user can realize communication through simple configuration. The module can be use for point-to-point transparent transmission and enctyption transmission.
  • Compatible with USR-BLE101 in function and encapsulation, add external version and GPIO
  • Ultra tiny size10*10*2mm
  • Support BLE4.2 protocol, compatible with low version
 Wireless Parameter
Wireless Standard 802.15.1
Frequency Range 2.402GHz-2.480GHz
Transmit Power -19dBm to +8dBm
User can configure the power
Receiving Sensitivity -78dBm
Antenna Selection Built in: Antenna

External: RF pin

Transmission distance Module to module transmission distance up to 60m (Open area, maximum transmitting power, ceramic antenna)
   Hardware Parameter
Working Voltage 1.7V~3.6V
Working Current Average2.40mA&3.3V Slave machine standby

Average4.50mA&3.3V Host standby

Average2.40mA&3.3V Broadcasting is not dormant

Average0.290mA&3.3V Slave machine deep sleep

Average0.290mA&3.3V Broadcasting deep sleep

Size 10*10*2(mm)(L*W*H)
           Serial port
Serial number TTL*1
Standard 3.3V-TTL
Data bit 5bit,6bit,7bit,8bit
Stop bit 1,2
Check bit None. even, odd
baud rate 1200bps—1Mbps
Cache 512byte
Flow control None
  Software Parameter
Equipment type Host/slave machine
Security Mechanism 128 bit AES engine
Encryption PC1 encryption
Working Mode Main device mode / slave device mode / broadcast mode /Mesh networking mode
Setting Command AT+ command structure
User Configuration Serial AT command, transparent transmission AT command
   Work environment
Work temperature -40~85°C
Storage temperature -40~85°C



User Manual