Canonical page: [Bluetooth Technology: RF Fundamentals & BLE Versions](https://www.rpilink.com/knowledge/bluetooth-technology/)

Website: Jinju Intelligence (Beijing) Technology Co., Ltd.

Language: English

Format: Markdown alternative generated from the public HTML main content.

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KNOWLEDGE BASE / RADIO AND STANDARDS

# Bluetooth Technology.

Understand the radio behind BLE devices and the features behind Bluetooth version numbers. Explore clear explanations, original diagrams and practical questions for selecting industrial tags, sensors and gateways.

RF FUNDAMENTALS BLE VERSION COMPARISON FEATURE COMPATIBILITY

GUIDE 01 / RADIO FUNDAMENTALS

## Bluetooth RF Technology: Advantages and Disadvantages

Understand what Bluetooth Low Energy does well, what limits a real radio link and how to evaluate a tag or sensor in its intended industrial environment.

Read the technical guide

![Bluetooth LE radio link showing antenna placement, shared spectrum and the path to a gateway](https://www.rpilink.com/knowledge/bluetooth-rf-link.svg)

[Open linked page](https://www.rpilink.com/knowledge/bluetooth-technology/bluetooth-rf-advantages-disadvantages/)

GUIDE 02 / VERSIONS & FEATURES

## BLE 4.2 vs 5.0 vs 5.1 vs 6.0: Features and Differences

Compare four selected Bluetooth Core milestones through the features that matter to tags, gateways and industrial IoT systems, rather than treating a version number as a complete specification.

Read the technical guide

![Four Bluetooth LE milestones show data length, PHY choices, direction finding and Channel Sounding](https://www.rpilink.com/knowledge/ble-version-milestones.svg)

[Open linked page](https://www.rpilink.com/knowledge/bluetooth-technology/ble-versions-comparison/)

## Connect radio fundamentals to a positioning system

A working radio link and a useful location estimate are different requirements. Continue with the positioning guides to compare beacon architectures, AoA, ranging methods and site deployment.

[Explore Positioning Technologies](https://www.rpilink.com/knowledge/positioning-technologies/)

LET’S BUILD YOUR POSITIONING SYSTEM

## Make location data work for your site.

Plan your site survey, hardware selection and platform integration with Jinju.

[zydc0915@gmail.com](mailto:zydc0915@gmail.com) [Discuss your requirements](https://www.rpilink.com/contact/)