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