V-122 (4G CAT1)

The V-122 is a compact onboard diagnostic device that combines 4G CAT1 connectivity with robust OBD-II and heavy-duty protocol support. With plug-and-play installation, it provides real-time vehicle tracking, diagnostic reporting, and remote management capabilities. Designed for a wide range of vehicle types — including SAE J1939 and SAE J1708 compliant systems — it delivers reliable data for fleet monitoring and maintenance workflows.

Key Features

• 4G CAT1 Connectivity — Ensures stable data transmission across supported LTE CAT1 networks.
• Bluetooth Support — Enables remote power or fuel cut-off and additional wireless functions.
• Comprehensive OBD Protocols — Compatible with all legislated OBD-II protocols as well as heavy-duty SAE J1939 and SAE J1708.
• DTC (Error Code) Reading — Reads pending and stored diagnostic trouble codes and freeze-frame data to aid in resolving repair issues.
• Odometer Reporting — Provides driving mileage in each reported message.
• Fuel Consumption Monitoring — Reports fuel consumption details per tracking interval.
• Unplug Alarm — Alerts when the device is disconnected or tampered with; audible alerts can be disabled as needed.
• Easy Plug-and-Play Installation — Inserts directly into a vehicle's OBD-II port with no tools required.

Specifications

• Size: 63(L) × 48(W) × 28(H) mm
• Weight: 50g
• Positioning Method: GPS
• Working Current: Max <200mA @ 13.8/27.6VDC · Average <150mA @ 13.8/27.6VDC · Sleep <10mA @ 12/24VDC
• Working Temperature: –30°C to +70°C
• Humidity: 5%–95% (no fog)
• Data Transmission: GPRS / SMS
• Storage: 2MB flash, stores up to 24,000 GPS records
• Network Band: 4G CAT1
• Optional Accessories: USB configuration cable, OBD-II extension cable, 6-pin/9-pin Deutsch harness, power cable (3A fuse included)
• Storage Temperature: –40°C to +85°C

Applications

Fleet management · Vehicle tracking · Service shops · Insurance · Car rental · Cold chain · And more