The CANsub.4 is a four-channel CAN FD interface that enables real-time CAN bus data streaming via USB or Ethernet, featuring professional-grade performance, a built-in LCD display, and zero-installation operation.

The integrated webCAN application runs directly on the device and can be accessed through a web browser by simply entering the device URL. It allows users to send and receive CAN frames, decode DBC data, and visualize CAN signals instantly from any PC, tablet, or smartphone.

In addition, CANsub.4 provides open REST and WebSocket APIs for easy development of third-party applications, with plug-and-play integration for tools such as Python and SavvyCAN.

It is ideal for CAN bus diagnostics, OEM development, field service, automation systems, data acquisition, and dashboard applications.

Oultine

ZERO INSTALL

Power via USB, enter the device URL in your browser, and start streaming CAN data instantly with no software installation required.

COMPACT

Compact size of only 8 × 7 × 2 cm and 90 g weight, featuring an aluminum enclosure and a built-in LCD display for real-time device status.

PRO SPECS

4 × CAN FD channels with galvanic isolation, processing over 20,000 frames per second, 1 μs timestamp resolution, error frame monitoring, and silent mode support.

WEBCAN APP

The built-in webCAN application runs directly on the device, enabling CAN frame transmission, DBC decoding, signal plotting, and device configuration via a web browser.

USB + ETHERNET

USB provides direct CAN access from a laptop, while Ethernet enables network, WiFi, and remote access with HTTPS encryption.

OPEN API

Open REST and WebSocket APIs enable fast development of custom web applications and integration with Python and other third-party tools.
 

Professional 4-Channel CAN FD Interface (USB + Ethernet)

The CANsub.4 is a professional-grade four-channel CAN FD interface that enables transmission and reception of 4 CAN FD channels via USB or Ethernet, delivering a cost-efficient high-performance solution.

• 4 × CAN channels (including CAN FD) with galvanic isolation
• Real-time CAN bus streaming via USB or Ethernet
• Built-in LCD display showing device URL and live CAN status
• Integrated webCAN application with zero-installation setup
• Over 20,000 frames per second with 1 μs timestamp resolution
• Configurable Silent Mode and hardware ID filtering
• Transmit list “jobs” with high-precision edge-based timing control
• CAN error frame and remote frame (RTR) support
• Compatible with standard DB9 adapters via DB25-to-4xDB9 cable

webCAN Runs on Your CANsub

Zero Installation Required

The webCAN application runs directly on the CANsub device. Simply enter the device URL in your browser to get started.

No drivers, no software installation, and no internet connection required:

• Configure CAN bit rates with auto-detection support
• Set hardware filters, silent mode, and CAN error monitoring
• Create custom transmit sequences with optional DBC encoding
• Connect multiple CAN buses in parallel with over 20,000 fps throughput
• Load and assign DBC files for real-time signal decoding
• View summary statistics across CAN IDs and signals
• Import, export, and manage trace data (up to 2 million frames)
• Supports J1939 TP, ISO-TP, and NMEA 2000 Fast Packet protocols
• Visualize decoded signals in real-time charts
• Advanced frontend filtering for CAN IDs and signals
• Save and load device configuration and DBC settings

 

Access Your CAN Data from Anywhere via Ethernet

Flexible Local and Remote Connectivity

Connect the CANsub via Ethernet to a router, then access your CAN data through LAN, WiFi, or even the Internet.

• Access the CANsub from any device on the network
• webCAN enables instant access from any PC, tablet, or smartphone
• Connect the device to a WiFi router for wireless operation
• Manage multiple devices using unique bookmarked URLs
• Secure remote access via VPN, including LTE router setups
• All data is securely encrypted using HTTPS (TLS)
• Optional Power-over-Ethernet (PoE) adapter available

 

Technical Specifications