- Industrial-grade Bluetooth Low Energy 5.4 module
- Integrated MicroPython programmability
- OTA configuration via Digi XBee Mobile App
- Compact form factors: MMT & Through-Hole
- Comprehensive security with Digi TrustFence®
- Digi Part No.: XK3-B5M-WBT
Description
Digi XBee® 3 BLU Development Kit – Bluetooth® 5.4 Low Energy for Industrial IoT Solutions
The Digi XBee® 3 BLU Development Kit is a powerful and easy-to-use development platform for Bluetooth® 5.4 Low Energy. It is designed for developers, OEMs, and solution providers looking to implement reliable wireless IoT connectivity in industrial environments.
With its wide industrial temperature range of −40 °C to +85 °C, the kit is ideal for demanding use cases. The pre-certified modules support advanced features such as MicroPython programmability, beaconing, and Bluetooth sensor integration. The free Digi XBee Mobile App makes it easy to quickly start, test, and manage your projects.
Configuration is simple using standard Digi XBee API frames, AT commands, or the Digi XBee Studio software. Seamless integration into the Digi XBee ecosystem—including modules, adapters, tools, and software—helps accelerate your development and deployment process.
Built-in security features via Digi TrustFence® protect your data through multiple layers of defense including pairing, bonding, encrypted advertising, secure boot, hardware cryptographic acceleration, and true random number generation. This ensures that your IoT applications remain secure against current and emerging threats.
Benefit from Digi’s decades of embedded expertise: with millions of deployed devices and a dedicated support team, Digi is your trusted partner for building secure, connected products. Additional services are available through Digi Wireless Design Services (WDS), offering integration support, certification assistance, and custom design services—helping you bring your products to market smarter and faster.
Specifications
| Digi XBee® 3 BLU Development Kit | |
|---|---|
| BLUETOOTH® PERFORMANCE | |
| Transceiver Chipset | Silicon Labs EFR32MG SoC |
| Bluetooth Low Energy Version | Supports Bluetooth Low Energy 5.4 and capable of interoperating with Bluetooth Low Energy 5.4 devices that support 1M and 2M PHY |
| Maximum RF Data Rate | 1 Mbps with 1M PHY and 2 Mbps with 2M PHY |
| Indoor/Urban Range* | Up to 15 m (49 ft) |
| Outdoor/RF Line-of-Sight Range* | Up to 300 m (984 ft) |
| Transmit Power | +8 dBm |
| Receiver Sensitivity (1% PER) | −97 dBm |
| FEATURES | |
| Serial Data Interface | UART, SPI |
| Configuration Method | API or AT commands, local or over-the-air (OTA) |
| Frequency Band | ISM 2.4 GHz |
| Form Factor | Micro (MMT), through-hole (TH) |
| Interference Immunity | FSK (Frequency-shift keying) |
| ADC Inputs | (4) 10-bit ADC inputs |
| Digital I/O | 13 |
| Antenna Options | Micro: U.FL antenna, RF pad, chip antenna Through-hole: PCB antenna, U.FL connector |
| Operating Temperature | −40 ºC to 85 ºC (−40 ºF to 185 ºF) |
| Dimensions (L x W x H) | Micro: 13 mm x 19 mm x 2 mm (0.533 in x 0.76 in x 0.087 in) Through-hole: 2.438 cm x 2.761 cm (0.96 in x 1.087 in) |
| EMBEDDED PROGRAMMABILITY | |
| Memory | 1 MB / 96 kB RAM |
| Embedded Programmability | MicroPython |
| NETWORKING AND SECURITY | |
| Protocol | Bluetooth Low Energy 5.4 |
| Encryption | 128/256-bit AES |
| Reliable Packet Delivery | Retries/acknowledgements |
| IDS | PAN ID and addresses, cluster IDs and endpoints (optional) |
| Channels | 40 channels |
| Security Features | Digi TrustFence security with secure boot and protected JTAG |
| Configuration Tools | Digi XBee Studio and Digi XBee Mobile App |
| POWER REQUIREMENTS | |
| Supply Voltage | 1.71 – 3.8 V |
| Transmit Current | 32 mA at 3.3 V, +8 dBm |
| Receive Current | 13.5 mA |
| Idle Current | 7.5 mA |
| Sleep Current | 8 µA at 25 ºC (77 ºF) |
| REGULATORY AND WARRANTY | |
| FCC, IC (North America) | Complete |
| ETSI (Europe) | Complete |
| Product Warranty | 1-year |
* Range figure estimates are based on free-air terrain with limited sources of interference. Actual range will vary based on transmitting power, orientation of transmitter and receiver, antenna height, weather, interference sources, and terrain including walls, buildings, trees, hills, etc.
** Visit https://www.digi.com/resources/certifications for the latest certification updates.
Order information
| Ordering Information | Digi XBee® 3 BLU Series |
|---|---|
| DEVELOPMENT KIT | |
| XK3-B5M-WBT | Digi XBee 3 BLU Development Kit |
| MODULES (MMT / SMT) | |
| XB3-24B5UM-J | Digi XBee 3 BLU – Bluetooth Low Energy 5.4, U.FL antenna, Micro-Mount (MMT) |
| XB3-24B5CM-J | Digi XBee 3 BLU – Bluetooth Low Energy 5.4, chip antenna, Micro-Mount (MMT) |
| XB3-24B5RM-J | Digi XBee 3 BLU – Bluetooth Low Energy 5.4, RF pad, Micro-Mount (MMT) |
| MODULES (TH / Through-Hole) | |
| XB3-24B5UT-J | Digi XBee 3 BLU – Bluetooth Low Energy 5.4, U.FL antenna, Through-Hole (TH) |
| XB3-24B5PT-J | Digi XBee 3 BLU – Bluetooth Low Energy 5.4, PCB antenna, Through-Hole (TH) |
