Ready to Ship
Fast dispatch
In stock

4G OBD tracker G-402, OBDII GPS monitoring modules for vehicle tracking

1-10 Sets
>=11 Sets
Min. Order
1 Set
Choose your specifications
Company Information

Dragon Bridge (SZ) Tech Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 1,000+
12 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
Learn More

Quick Details

Type: Gps tracker
Use: Automotive
Function: Gps tracker
Place of Origin: Guangdong China
Brand Name: Roadragon
Model Number: G-M402
Warranty: 12 Months
Brand Name: roadragon
network: Wifi/2G/4G
Size: 60*49*24mm
OBD data: Supports protocol data such as OBDII/EOBD
Color: black
Positioning: Support GPS/Beidou dual mode
GPS antenna: build-in
GSM antenna: build-in
function: GPS+OBD
monitoring: GPS+(BEIDOU or GLONASS)
Selling Units: Single item
Single package size: 14.5X9X6 cm
Single gross weight: 0.25 KG
Package Type: DESIGN BOX
Product Description

G-402 OBDII GPS monitoring modules for vehicle tracking 4G OBD tracker

G-M420 is a 4G+WIFI version of OBD terminal, which uses Qualcomm 4G communication module, high-precision GPS module, WIFI module, high-performance three-axis gravity sensor and vehicle ECU computer communication module. The vehicle running status, vehicle condition data, vehicle fuel consumption data, driver control data, etc. can be uploaded to the vehicle network management cloud platform through the wireless module, and the vehicle management platform realizes the vehicle trajectory, driving behavior, fuel consumption statistics, anti-theft tracking, etc. through terminal data. Remote management of the fleet reduces vehicle fuel consumption by regulating driving behavior.

Optional extension cable to place the terminal on the top of the instrument panel, beautiful appearance, and can create car WIFI hot spot through 4G signal, providing a smooth network experience.

Reminding alarm/circuit protection
Fatigue driving reminder
Device insertion alarm
Device pull-out alarm (optional)
speeding alarm
Collision alarm
water temperature alarm
Device insertion alarm
idle speed overtime alarm
towing alarm
Vehicle low voltage alarm
Low voltage alarm
Ignition reminder
Long positioning time
Flame out reminder
Fuel pressure
contact for more information
Performance Parameters 
G-M420 (4G+WIFI)
Working Voltage
9-32V DC
Average working current
Sleeping Working Current
Working Temperature
Storage Temperature
positioning accuracy
OBD type
GPS aerial
GSM aerial
Our Company
Our Service

Before and after sales service:

1. One-to-one after-sales service and warranty 1 years.
2. Support 13 languanges gps tracking system.
3. Before & After service. One-stop service.
4. Direct factory and strong R&D team.
5. 14 years specialize in gps tracker.
6. Support Android/ IOS APP.
7. Certificate: CE, FCC, ROHS
8. Within 24 hours reply.


Q1. May I buy samples from you?
A: Yes! You are welcome to place sample order to test our superior quality and service.

Q2.Can you put my brand name (logo) on these products?
A: Yes! We can provide professional OEM services. Our company accepts to make the logo free for bulk order .

Q3. What is your Warranty?
A: We provide two Years' Warranty .

Q4. How is your quality?

A: We provide unrivaled Quality - Very rigorous testing process for Incoming Quality Control, Input Process Quality Control, and Final Quality Control for every piece. We follow QC test procedure, and do 100% FQC to ensure your satisfaction.

Q5. Are you just trading company or factory?

A: We are professional gps tracker manufacturer for 11 years and We can support you with the most competitive pirce, unrivaled Quality and Services.