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CJ730 anti-theft trailer alarm ACC detection locator auto vehicle gps tracking gps tracker gsm relay

2-29 Pieces
30-99 Pieces
100-999 Pieces
>=1000 Pieces
Min. Order
2 Pieces
Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
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Company Information

Chongqing Changjian Technology Co., Ltd.

CN Trading Company
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Quick Details

Warranty: 12
Place of Origin: Chongqing China
Use: motorcycle Automotive
Battery capacity: 110 mAh standby (30 minutes .3 hours)
Model Number: CJ730
GPS Sensitivity: -159dBm
Weight: 55g
Brand Name: Yuntrack
Function: GPS Tracker for Vehicles
Type: GPS Tracker
Product name: gps tracking gps tracker gsm relay
Positioning Method: Glonass + GPS + LBS positioning
Waterproof Level: IP64
GPS chip: MT2503D
Positioning Accuracy: 5-10m
Application: Private car,Logistics vehicle,Battery car,Motorcycle,Yacht,Lease
Certificate: CE/FCC/RoHS
Packaging Detail: "Normal box Packaging Detail:1 tracker +1User manual+USB line 100PCS/CTN We adopt standard exporting package, use environmental protection materials to make sure the package is suitable to long distance transportation."
Selling Units: Single item
Single package size: 11X8.3X3.5 cm
Single gross weight: 0.2 KG

 CJ730 anti-theft trailer alarm ACC detection locator auto vehicle gps tracking gps tracker gsm relay

gps tracker gsm relay



1. More than 10 years designing and developing experience for gps tracker

2. More than 10 product patents to ensure product uniqueness

3. ODM/OEM is available

4. Professional after-sale service team to answer product questions for you

5. 7x24 hours online query



1.Cut and resume oil remotely
2.Waterproof designed
3.Support Glonass+LBS+GPS location
4.Support data supplement

gps tracker gsm relay

Product Description







Positioning Method

Glonass + GPS + LBS positioning



Waterproof Level


Installation Method

wiring installation

Frequency Band

GSM band 850/900/1800/1900

GPS Sensitivity


GPS Accuracy

5-10 meters




110 mAh standby


gps tracker gsm relay

1. Hidden Design and Easy Installation: 
relay outlook design makes the device very convenient to hide and install.
2. GPS and Location Based Service:
Location Based service, it obtains the location information of the mobile terminal user through the operator's radio communication network(GSM, CDMA etc.) or external positioning(GPS), when tracker in underground or tunnel, can get location by LBS.
3. AGPS locating:
Assisted Global Positioning System, It can use the information of the mobile base station to match the traditional GPS satellites, so that the positioning speed is faster.
4. Real time tracking:
You will can realtime track the device on google maps via by cell phone and platform. Also can support get location every 5 seconds, and the GPS accuracy is 5m .
5. Cut and resume oil remotely: 
This function is widely used for vehicle anti-theft. When someone move the vehicles, the owner can send the command through APP or SMS to cut off the vehicle power (Note: if the vehicle speed <20km/h, once send such command, the vehicle will stop move at once; if the vehicle speed>20km/h, once issue the command, The speed of the vehicle will gradually decrease until it stops in order to prevent vehicle safety problems caused by sudden parking.)
When owner find the vehicle, you can send the command to recover the oil supply through APP and SMS command, and then you can drive safely.
6. Check the history of route on platform:
Can check and replay within half a year history of route of device, by web monitor center.
7. Geo-fence and movement alert: 
Set up a virtual fence for the tracker to restrict its movements within a district. The unit will send alarm information to APP and web server when it goes out of or get in this district. 
8. Shake Alarm: 
After you did the shake alarm setting,please keep the tracker being stationary for 5 minutes, then this function will start working. It will send SMS "sensor alarm!" to the admin number when the unit get shocked.
9. Cutting Line Alarm: 
Under arm mode, if someone cut the wires of the device, you will can get alarm information from the device.
10. Sleep by shock: 
after configuring this setting, if the device stopped moving for 5 minutes, the tracker will go into "sleep mode" automatically, GPS will shut off, GSM will works. Vibration, SMS and call may wake up the tracker.

11. ACC Detection:

12.Towed away move alarm:

gps tracker gsm relay

Special Note:Oil pump(fuel pump) line search Need professionals. Or auto mechanic repair shop to help find, Power supply, fuel cut control line.
(1) The standard power supply of this equipment is 10V-50VDC, the red line is the positive pole of the power supply, and the yellow (black) is the negative pole of the power supply; when installing the negative pole of the power supply, please select the grounding or grounding separately, and do not share with other ground lines.
(2) The oil cutoff control line (green/blue line) is connected to the oil pump(fuel pump) line.


Cut off Oil (The car can't be started, it can only start normally after it needs Restore Oil, and the speed is 60KM/H Cut off Oil - it can go out normally after about 2 minutes.)



Tracking Platform:

As the leading GPS Tracker provider in China, We have our own tracking platform and server, and it supports:

1.  Web, APP, SMS, etc.

2.  Google Map View

3.  Multi languages

4.  Multi-vehicle monitoring and multi-person query management

5.  180-day historical tracking query, driving data download, 7x24 online query






gps tracker gsm relaygps tracker gsm relay

gps tracker gsm relay

Company Information

Chongqing Changjian Technology Co.,Ltd has over 10 years of experience in electronic product manufacturing, having a strong, high quality staff team, independent research and development studio and assembly workshop In Shenzhen, China.
It provides high quality satellite positioning information terminal to receive and transmit equipment production (known as GPS tracking device) with the production capacity of 100000 units per month.
Company has three service platforms, which allows 20000 people online vehicle positioning at a time. Major market is in China, South America, the Middle East and Southeast Asia, etc. 

Our Services

Packaging & Shipping


1. Q: How long will it take to ship the order?
A: Within 3 work days if the goods in stock, after we got your payment. Or we will reply you the updated ETD according to your purchase quantity.
2. Q: How about the payment options?
A: West union, TT, LC, paypal or others available.
3. Q: How long is your warranty?
A: One year free warranty and life-long maintenance.
4. Q: Can I make my own company logo and design on device case or color box?
A: Yes, you can add your logo, while the quality of each model is the most important thing. Specific quality it depends on each model.


FAQ for products:
Q:Startup Fail?
A:Check the battery charge full or not.
Q:The device cannot obtain location information?
A:Place the unit at the open area to test.
Q:How to choose SIM card?
A:  the SIM card must support GSM&GPRS,and ensure that the card has enough currency and credit.
Q: How to use in the foreign countries?
A:please set the APN before use,please edit the text “APN123456 CMNET “ and send it to the SIM card of the device,CMNET is Chinese operator’s APN, Replace the corresponding APN when use in other countries, APN details, please consult your local SIM card carrier.

Q : After making a phone call to the unit, no SMS is received.
A : 1. Battery is low. Charge the unit with 12V external power for at least half an hour;
2. Make sure the unit is already connected to GSM network. Here are total three conditions for led lights as following:
Flash----GSM/GPRS conversation start
Continuously in bright status----No GPRS signal
Green Led off----Power off or in sleep mode
3. SIM card has run out of credit. Please top up the SIM card;
4. SIM card doesn’t have function of displaying incoming call number.


24Hours online service