ProductHi-link HLK-B25 Bluetooth Module datasheet & specifications
Hi-link HLK-B25 Bluetooth Module
₹65
Incl. of all taxes (GST)
Hi-Link HLK-B25 is a compact Bluetooth Low Energy module designed to add wireless communication to microcontrollers, embedded devices and serial equipment. It supports BLE 5.3 and provides bidirectional transparent data transmission between a UART serial interface and Bluetooth GATT.
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Hi-link HLK-B25 Bluetooth Module
₹65
Key Features
Bluetooth 5.3 Low Energy connectivity
Master and slave operating modes
UART-to-Bluetooth transparent data transmission
Supports AT-command configuration
Serial baud rate up to 921600 bps
Adjustable Bluetooth transmitting power
Up to approximately 50 m range in an open environment
Supports custom Bluetooth advertising data
OTA wireless firmware upgrade support
Built-in onboard antenna
Integrated watchdog for reliable operation
Low-power sleep mode
Compact SMD mounting design
Technical Specifications
Brand: Hi-Link
Model: HLK-B25
Bluetooth Standard: Bluetooth 5.3 BLE
Supported Protocols: L2CAP, ATT, GAP, GATT and HID
Bluetooth 5.3 Low Energy connectivity
Master and slave operating modes
UART-to-Bluetooth transparent data transmission
Supports AT-command configuration
Serial baud rate up to 921600 bps
Adjustable Bluetooth transmitting power
Up to approximately 50 m range in an open environment
Supports custom Bluetooth advertising data
OTA wireless firmware upgrade support
Built-in onboard antenna
Integrated watchdog for reliable operation
Low-power sleep mode
Compact SMD mounting design
Technical Specifications
Brand: Hi-Link
Model: HLK-B25
Bluetooth Standard: Bluetooth 5.3 BLE
Supported Protocols: L2CAP, ATT, GAP, GATT and HID
About this product
Hi-link HLK-B25 Bluetooth Module is stocked, tested, and dispatched by Wavtron from our India warehouse. Every unit in the Bluetooth range is functionally checked before packing so you can build with confidence.
Order before 2 PM IST for same-day dispatch with full GST invoicing. Need a datasheet, sample code, or bulk pricing? Our support team replies within one business day.
At a glance
- Category
- Bluetooth
- SKU
- WV-07017
- Availability
- Low Stock (2 left)
- Price
- ₹65
- Updated
- July 20, 2026
Frequently asked questions
- How fast does Wavtron ship Hi-link HLK-B25 Bluetooth Module ?
- Orders placed before 2 PM IST are dispatched the same business day from our India warehouse. Standard delivery typically reaches metros within 2–4 working days and other pin codes within 4–7 working days.
- Do you provide a GST invoice?
- Yes. Every order ships with a GST tax invoice. Add your GSTIN at checkout to claim input tax credit for business purchases.
- What is the return policy?
- You can return an unused item in its original packaging within 7 days of delivery. If it arrived faulty or dead on arrival, Wavtron pays the return shipping and replaces it free of charge — email support with your order ID and photos before shipping anything back. If you simply changed your mind, the return postage is yours to cover.
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