TC1114B - 4-way CAN (FD) to Wifi

TC1114B is a multi-channel CANFD bus interface device launched by TOSUN, CANFD bus rate supports up to 8M bps, the product adopts high-speed USB2.0 interface to connect with PC, ODB port to connect with the vehicle end, supports Bluetooth and WIFI functions, and the Windows system drive-free design makes the device have excellent system compatibility.

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Together with the powerful TSMaster software, which supports loading DBC and ARXML database files, it can easily monitor, analyze and simulate CAN FD bus data, and also support UDS diagnostics, ECU flashing, and CCP/XCP calibration.
Secondary development API for Windows and Linux, which can support various development environments, such as C++, C#, LabView, Python, etc. Easy to integrate into various test systems, efficient and easy to use.


WIFI function

  • Supports IEEE 802.11 b/g/n protocols
  • Operating channel center frequency range: 2412 ~ 2484 MHz
  • Supports 20MHz and 40MHz bandwidths in the 2.4GHz band
  • Supports 1T1R mode with data rates up to 150 Mbps
  • Wireless Multimedia (WMM)
  • Frame aggregation (TX/RX A-MPDU, TX/RX A-MSDU)
  • Immediate Block ACK
  • Fragmentation and defragmentation
  • Transmission opportunity (TXOP)
  • Automatic Beacon monitoring (hardware TSF)
  • 4x virtual Wi-Fi ports
  • Simultaneously supports InfrastructureBSS, Station mode, SoftAP mode, Station + SoftAP mode, and hybrid mode.


Typical applications. 

  • OBD data viewing and analysis
  • Wireless transmission of OBD data
  • DTC fault viewing and clearing


Download TC1113B/TC1114B-Datasheet Simplified Chinese

Download TC1114B-User Manual Simplified Chinese

Download TC1113B/TC1114B-Datasheet English Version

Download TC1114B-UserManual English Version






PC side

Hi-Speed USB 2.0

CAN side interface



Windows drive-free design with system compatibility


Hardware buffering, transmit buffer support up to 1000 CAN/CANFD frames per channel


Support CAN2.0A and B protocols, conforming to ISO11898-1 specification, baud rate 5Kbps-1Mbps


Supports ISO and non-ISO CAN FD with baud rates from 125Kbps to 8Mbps.

Timestamp accuracy

1us, hardware message timestamp for higher-order requirements

Terminal resistance

Built-in 120 ohm termination resistor is software configurable

Send messages per second

Maximum 20000m/s

Messages received per second

Maximum 20000m/s


CAN channel DC2500V isolation

Electricity supply

USB powered, OBD powered

Shell material




Operating temperature


Operating humidity

10% to 90% (non-condensing)

working environment

Keep away from corrosive gases


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