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  Bluetooth Analyser

Ellisys: Bluetooth Explorer 400  


Ellisys Bluetooth Explorer 400 All-in-One Bluetooth Protocol Analysis System


Industry's First and Only All-In-One Wideband BR/EDR and Low Energy sniffer with concurrent capture of Wi-Fi 802.11 a/b/g/n, 2.4 GHz spectrum, HCI (USB, UART, SPI), WCI-2, logic signals, and Audio I2S.

more about Ellisys BEX400 Wi-Fi capture part of Enterprise Edition

more about Ellisys BEX400 Support for Bluetooth 5 available (including BLE 2Mbps, BLE LR, BLE Adv Ext)

Key Points:

  • All-in-One: concurrent capture of BR/EDR, Low Energy, Wi-Fi, spectrum, HCI, logic, Audio I2S, and WCI-2, all synchronized to nanoseconds precision
  • Bluetooth Wideband Capture: easy and rock-solid capture of any traffic, including discovery / connection traffic and SSP pairing
  • Reprogrammable Digital Radio: support for new specifications without hardware changes
  • Multi-Piconet Support: see multiple piconets and scatternets, without limitations
  • All Protocols and Profiles: best-of-breed protocol decoding
  • Integrated Audio Analysis: listen to captured audio over-the-air, including HCI audio and I2S, within the software, in sync with all other traffic
  • Spectrum Display: characterize the wireless environment and visualize coexistence issues
  • Message Sequence Chart: create charts automatically from the powerful Ellisys protocol display
  • Free Maintenance: Free lifetime software updates as well as free fully-featured viewer software with unlocked hardware that can be used on any computer.

Ellisys BEX400
Ellisys BEX400

Ellisys BEX400 DatasheetPDF Datasheet


Innovative Tool for Demanding Users


Traffic analysis is one of the key day-to-day activities for Bluetooth engineers looking to rapidly test and debug their prototypes and products. Unfortunately, Bluetooth over-the-air sniffing has always been difficult to perfect. Legacy sniffing methods suffered from major technological drawbacks, making them unreliable and even unusable in several circumstances, making Bluetooth engineers' tasks much more difficult.

With its revolutionary whole-band Digital Radio, Ellisys lifts protocol capture and analysis to new heights, radically overcoming the drawbacks of those legacy approaches to Bluetooth sniffing. The Ellisys all-in-one whole-band sniffer robustly records any packet, at any time, from any neighboring piconet, with zero-configuration and without being intrusive.


Industry's First Whole-Band Capture


Bluetooth wireless technology was originally designed to be robustly impervious to interference on the much-used 2.4 GHz ISM band. It was also designed to be difficult to sniff, for security reasons. To meet these criteria, a Bluetooth radio uses 79 channels pseudo-randomly according to a hopping sequence defined at the piconet's connection time.

A hopping sniffer tries to actively synchronize on a specific hopping sequence, and captures the packets only after a successful synchronization. This kind of sniffer has several inherent limitations, making it more difficult to use, less reliable, and usable only in a limited set of scenarios.

Ellisys has created the industry's first wideband sniffer in 2010 that overcomes all of these drawbacks and adds innovative and ground-breaking features, opening new horizons for Bluetooth debugging and interoperability testing. The whole-band capture approach is as simple as it is powerful: instead of listening to just a few channels, the sniffer captures all channels concurrently. The sniffer thus does not need to synchronize to a piconet; it will listen passively to all nearby Bluetooth piconets and scatternets, without any required configuration.


Industry's First Reconfigurable Bluetooth Digital Radio

With its innovative reconfigurable radio, the Ellisys sniffer can uniquely be updated by software to support changes in the specification, without any change to the hardware, and even without any interaction from the user. For instance, this flexibility allowed for the addition of next generation Bluetooth baseband features (such as enhanced AES security and Connectionless Broadcast) several months before the specification was officially released. Additionally, the Ellisys BEX400 comes with free lifetime software updates, so all customers can benefit from these great additions free-of-charge!

Industry's Only All-in-One Sniffer


Capturing wireless traffic is a very important aspect of Bluetooth debugging, but other information is equally important for understanding the big picture. This is another aspect where the Ellisys sniffer excels.

The Ellisys Bluetooth Explorer 400 sniffer supports one-click concurrent capture of:

  • Classic Bluetooth BR/EDR
  • Low Energy Bluetooth
  • Wi-Fi 802.11 a/b/g/n [Enterprise]
  • 2.4 GHz Spectrum [PRO]
  • USB HCI (1 port), UART HCI (2 ports) and SPI HCI (2 ports) [PRO]
  • Logic signals [PRO]
  • Audio I2S [PRO]
  • Wireless Coexistence Interface 2 (WCI-2) [PRO]

Protocols and Profiles


Bluetooth protocols and profiles are displayed in an easy-to-understand, high-level procedures-oriented chronological format in the Overview windows and fully detailed to the lowest bit/byte level in the linked Details view. Classic Bluetooth, Low Energy, and HCI traffic is displayed in designated Overviews real-time, as capture progresses.

The user is provided various controls to easily customize any Overview, including powerful filtering and coloring capabilities designed to quickly isolate specific protocols, profiles, or communications of interest. Traffic can be presented at the highest level of abstraction and the user can drill down to show all intermediate levels, down to the most basic elements, such as packet-only views.

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Message Sequence Charts


While the analyzer's powerful protocols and profiles display is most efficient for engineers, Message Sequence Charts are usually preferred for creating reports or sharing technical information with specification experts or others not typically involved in using protocol analysis tools. The Ellisys solution is to create a Message Sequence Chart representation from a previously filtered and annotated protocols view. With this approach, engineers can include precisely the information they want, the way they want, and create a clear depiction showing exactly the information desired.

click to enlarge


HCI Analysis [PRO]


Wireless traffic is of course one of the most useful elements of debugging information for Bluetooth engineers, but Host Controller Interface (HCI) traffic is an equally important complement of information for getting a clear and complete picture of the situation.

The HCI is an electrical interface defined by the Bluetooth specification for communications between the host controller and the radio. The Ellisys BEX400 supports capture of USB HCI, UART HCI and SPI HCI. Any and all HCI traffic is captured concurrently with the wireless traffic using the same precision clock for perfect synchronization and timing analysis, and is displayed in the highly-optimized Ellisys analysis software.

HCI capture is also a very convenient feature when working with devices that implement Secure Simple Pairing (SSP). The Ellisys analysis software automatically extracts any Link Key exchanged over HCI and uses it to decrypt the wireless traffic, all without any user interaction.

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Spectrum Analysis [PRO]


The 2.4 GHz ISM band used by Bluetooth is quite busy. Other users of this band include WiFi, LTE, ZigBee, ANT and a broad range of other proprietary and commercial technologies. All of these users interfere with each other and it is often necessary to have a better understanding of the wireless environment.

The spectrum display offered by the Ellisys sniffer is the perfect tool for coexistence debugging, wireless characterization, or simply for visualizing the RF environment. It captures the spectrum signal strength (RSSI) in all Bluetooth channels with a configurable precision of up to 1 microsecond, and displays this information in synchronization with the Bluetooth packets.

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Audio Analysis


The Ellisys analysis software includes integrated Audio analysis. Any captured audio stream can be quickly and easily played back, even live, during capture. Finding the packet carrying a specific audio portion or seeing event and topology changes at specific audio positions becomes child's play.

With the PRO Edition, audio captured over HCI or with the Audio I2S capture can be played back as well. This enables characterization of the complete audio chain, from the uncompressed audio provided to the source radio chip, to the audio transmitted wirelessly, and the decoded audio received by the receiver radio chip.

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Automated and Long-Term Capture


There are various user applications that require the use of the analyzer in an automated fashion, often under control of user-defined software applications performing a variety of tasks. These applications may include long-term test environments, integration of the analyzer into a mobile platform, and other usage models.

Thanks to the ease-of-use and robustness provided by the Ellisys Digital Radio, the BEX400 is the perfect system for these tasks. The analyzer can be controlled with a simple yet powerful Remote Control API (Application Programming Interface) to programmatically start / stop / save captures, and extract specific captured information that can be used for various purposes, including go/no-go testing , all without any manual operation.

A unique segmentation feature works seamlessly with the API to allow for extremely long captures, segmenting captures into smaller more manageable slices while maintaining topology and contextual information from capture to capture.


Software Overview

Ellisys Software Overview
click to enlarge

Avaiable Configurations

Radio Configuration
Low Energy
BR/EDR configuration
Low Energy configuration
Dual Mode configuration

Wideband Bluetooth capture
HCI capture
Logic capture
Spectrum capture
Audio I2S capture
WCI-2 capture
Wi-Fi 802.11 a/b/g/n capture
2 years
2 years
3 years

Ordering Information

Description Code

Ellisys Bluetooth Explorer 400 Standard BR/EDR
Includes a hardware unit with Bluetooth BR/EDR capture, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Standard Low Energy
Includes a hardware unit with Bluetooth Low Energy capture, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Standard Dual Mode
Includes a hardware unit with concurrent Bluetooth BR/EDR and Low Energy capture, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Pro BR/EDR
Includes a hardware unit with Bluetooth BR/EDR capture, Pro features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Pro Low Energy
Includes a hardware unit with Bluetooth Low Energy capture, Pro features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Pro Dual Mode
Includes a hardware unit with concurrent Bluetooth BR/EDR and Low Energy capture, Pro features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Enterprise BR/EDR
Includes a hardware unit with Bluetooth BR/EDR capture, Enterprise features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 0 Enterprise Low Energy
Includes a hardware unit with Bluetooth Low Energy capture, Enterprise features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Enterprise Dual Mode
Includes a hardware unit with concurrent Bluetooth BR/EDR and Low Energy capture, Enterprise features licenses, accessories and carrying bag.


Ellisys Bluetooth Explorer 400 Pro Upgrade
Upgrade from the Standard Edition to the Pro Edition to add optional features such as HCI capture, logic analysis, spectrum capture, WCI-2 and I2S.


Ellisys Bluetooth Explorer 400 Enterprise Upgrade
Upgrade from the Pro Edition to the Enterprise Edition to add optional features such as Wi-Fi.


Ellisys Bluetooth Explorer 400 Dual Mode Upgrade
Upgrade from BR/EDR or Low Energy capture to concurrent Dual Mode capture.


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