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Industrial-grade serial port bluetooth low energy module WLT8266BMG BLE 5.0 BQB certification

$2.00 / Piece | 2 Pieces (Min. Order)
- + Pieces available
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Shipping fee:
Depends on the order quantity.
Lead Time:
10 day(s) after payment received
Software customization (Min. Order: 10000 Pieces)
PCBA customization (Min. Order: 20000 Pieces)


App development (Min. Order: 30000 Pieces) Less
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Quick Details
Model Number:
Brand Name:
Place of Origin:
Shanghai, China
Bluetooth Standard:
FCC/CE/BQB 5.0 Certificated
Maximum 8dBm
Operating Temperature:
Operation Range:
70m(open area)
Ultra-small size:
17(L)x15(W)x1.6(H) mm
On-board antenna or external antenna

Packaging & Delivery

Selling Units:
Single item
Single package size: 
1.5X1.7X0.15 cm
Single gross weight:
0.005 kg
Lead Time :
Quantity(Pieces) 1 - 200 >200
Est. Time(days) 10 To be negotiated
Packaging & Delivery
MPQ:                        1 tape reel=1200pcs
Packaging Details    <1200 pieces:To be negotiated
                                 >1200 pieces:Packed in tape reel with vacuum packing
Port                           Shanghai
Lead Time :
Quantity(Pieces)1 - 1200>1200
Est. Time(day)5<30


Product Description



♦ WLT8266BMG is a smart passthrough module with small size, low-cost and low power consumption, true system-on-chip (SoC) for Bluetooth low energy applications

 Function:Standard software functions include BLE passthrough, AT command control, App parameter configuration, OTA upgrade

 Provide Android/IOS APP reference source code

 Support AT command 

 Only need to connect 4 pins(VCC, GND, TX and RX) to complete data transmission and receiving function

 Built in high performance 32-bit MCU,128KB Flash,16KB SRAM

 RF link data is up to 1Mbps

On board high performance PCB antenna and support external antenna

 The stamp-bore for printer is easy for welding and reliable


Wireless parametersBluetooth standard


Frequency range2.402GHz-2.480GHz
Receiving Sensitivity-93dBm
Transmission Power-37dBm-+8dBm
Users can configure thrugh AT instructions
Effective transmission distance70m(Open area)
Antenna optionsExternal antenna:Pin antenna
On-board antenna:PCB antenna
Hardware parametersData interfaceUART:1200bps-921600bps
Operation Voltage2.7V~3.6V
Working current1uA~10mA
Operation temperature-40℃~85℃
Storage tempture-65℃~150℃
Software parametersEquipment typeSlave device
Security mechanism128-bit AES engine
Software upgradeSupport UART/OTA upgrade function
Working modeSlave device mode(if you need master device mode,Mesh networking and other functions,you can choose our WLT8266BM module)
Software interfaceAT+Command Structure
Parameter configurationInterface AT command,pass through AT command
CertificationFCC/CE/BQB 5.0 Certificated


  Module Encapsulation  




  Application Fields  




Company Profile

Established in 2011, Wi-linktech Communication Technology (Shanghai) Co., Ltd. ( is a professional company specializing in IOT wireless communication technologies. We are strategic partner of Texas Instruments at global level for Bluetooth modules (Related website:


Wi-linktech enjoys a 8-year high reputation among global industrial customers. At present, our products have been recommended by Texas Instruments, ST, Arrow etc companies, and have been widely used in many markets including US, EU, China and other places. On average, our module supply to customers lasts for 5 years life-cycle with continous software and production quality support.


We focus on Bluetooth, Wi-Fi, Lora and other wireless communication technologies, and we also provide Cloud development and services, Android/iOS development, customized PCBA desgin and manufacturing, providing one-stop-shop IOTsolutions for our precious customers world-wide.


For better satisfied customer demand, Wi-linktech CommunicationTechnologies(shanghai)Co.,Ltd. introduced the standard software version BLE module: WLT8266BMG. This module is designed to quickly connect electronic products and smart mobile devices, and also can be widely used in various electronic devices, such as industrial control, instrumentation, logistics tracking, health care, smart home, sports metering, automotive electronics, and leisure toys. Users can use this module to integrate existing solutions or products with the shortest development cycle, quickly occupy the market, and inject new technological strength into the development of the enterprise. WLT8266BMG does not support customized software. For customized BLE, dual-mode, WIFI modules, please visit our website or consult our customer service.




Cooperative partner

♦Texas Instruments (TI) authorized third-party partners and strategic partners in China

Related website:

Official authorization connect partner of NXP(Freescale)

Global agency:WPI/ARROW/AVNET/WPG/WT Microelectronics/Serial


Production capacity

      5 Years                      2 Factories                        2 Million                             High

   Stable supply              Batch production              Pieces per month              Quality supplier


Document download:

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2.Contact our customer service.


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