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CAN BUS INTEGRATION J1939 / OBD-II Fleet Telematics

CAN Bus Rugged Tablet for Fleet Telematics & Vehicle Data Logging

Industrial Android tablet with dual CAN Bus (J1939-compatible) — collect data from two independent vehicle networks simultaneously without external gateways.

Request CAN Bus Quote →                    OEM Integration →
CAN Bus rugged tablet with CRD865-CAN cradle

MDT865 + CRD865-CAN cradle | CAN Bus ready

What Is CAN Bus in Fleet Telematics?

CAN Bus (Controller Area Network) is the vehicle communication standard used in commercial trucks, buses, and heavy equipment — including J1939 protocol for engine diagnostics, fuel consumption, speed, and fault codes.

A CAN Bus rugged tablet integrates directly into this network, acting as a real‑time data logger and display terminal. Unlike consumer tablets that require third‑party adapters, our tablet + cradle combination provides hardware‑level dual CAN Bus support (J1939‑compatible), ready for fleet telematics, predictive maintenance, and driver coaching.

CAN Bus Tablet: Key Capabilities

Dual CAN Bus (J1939‑Compatible)

Hardware‑level dual CAN Bus support via CRD865-CAN cradle — connect two independent vehicle networks simultaneously. Compatible with J1939 engine data.

9-36V Wide Voltage

Direct vehicle power with ignition sensing — works on 12V/24V trucks, buses, and equipment.

4G/5G + GPS

Real‑time data upload to cloud telematics platforms with precise GNSS tracking.

Multiple I/O

RS232, GPIO, USB, Ethernet — for sensors, cameras, and expansion.

Hardware Solution: CRD865-CAN Cradle + Cable Kit

Engineered for CAN Bus data logging and vehicle telematics


CRD865-CAN Cradle

  • 2× CAN Bus (J1939‑compatible) interfaces

  • 9-36V DC input with ignition sense

  • 2× USB-A (OTG) + 1× USB-C

  • RJ45 Ethernet, 2× RS232, 4× GPIO

  • Pogo‑pin docking for MDT865 / MDT880

Wiring diagram above shows 1× CAN Bus connection example. A second CAN Bus channel is available on the cradle — contact our engineering team for dual‑CAN wiring configuration.

Recommended Cables

  • CAB-865-2RS232 — RS232 + CAN

  • CAB-EX-RS232 — extension for RS232

  • CAB-BMW-BASIC — basic I/O

  • CAB-EX-BASIC — power + I/O extension

Complete integration kit

Tablet + cradle + cable
ready for vehicle installation

Request kit specs →

Consumer Tablet vs CAN Bus Tablet

Feature Consumer Tablet TOPICON CAN Bus Tablet
CAN Bus SupportExternal adapter required Hardware-level via cradle
Vehicle Power✕  5V USB only 9-36V with ignition sense
Mounting✕  Suction cup (unstable) Vehicle dock + anti‑vibration
Data Logging✕  No native telematics CAN + GPS + 4G/5G ready

Compatible Fleet Telematics Platforms

Our CAN Bus tablet integrates with leading fleet software via open Android + SDK support

SamsaraGeotab Verizon Connect Zonar Custom API

Frequently Asked Questions

>What CAN Bus data can be collected?

Our CAN Bus tablet supports standard vehicle parameters including engine speed, fuel rate, coolant temperature, oil pressure, fault codes (DTCs), and idle time — compatible with J1939 engine data. Two independent CAN Bus interfaces are supported — ideal for connecting both powertrain and body network simultaneously. Please consult our engineering team for additional channel requirements.

Do I need a separate CAN gateway?

No. The CRD865-CAN cradle integrates CAN Bus hardware directly, eliminating the need for external gateways.

Can I log data offline?

Yes. Our tablets support internal storage and SD cards for offline data logging when cellular connection is unavailable.

Is OEM customization available for CAN Bus integration?

Yes. We provide SDK, API documentation, and hardware customization for fleet telematics providers and system integrators. Contact CAN Bus team →

Ready to Add CAN Bus to Your Fleet Telematics?

Get a quote, request a CAN Bus demo kit, or talk to our integration engineers.