G21L - 4G Vehicle GPS Tracker with Anti Jamming

G21L is a Anti-Jamming Tracker. When the device detects the jamming signal, it will trigger a beep sound and immediately cut off fuel/power to lock the vehicle.When the jamming signal disappears, the device will restore fuel/power to the vehicle.In addition,the device supports a variety of functions,such as remote door opening/closing and door status detection, making it the preferred anti-theft product for industries.

Product Parameters

Additional information

Positioning Mode

GPS,BDS,GNSS

Positioning Band

L1,B1

Positioning Precision

<2.5m CEP

Tracking Sensitivity

-162dBm

Capturing Sensitivity

-160dBm

Positioning Time

Avg.hot start <1s
Avg.cold start <32s

Antenna Dimensions

25mmx25mmx4mm

Communication Standard

LTE Cat1

Communication Frequency

GL-Version:
LTE-FDD B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66
LTE-TDD B34/B38/B39/B40/B41
GSM 850/900/1800/1900 MHz

EU-Version:
LTE-FDD B1/B3/B5/B7/B8/B20
GSM 900/1800 MHz

LA-Version:
LTE-FDD B1/B2/B3/B4/B5/B7/B8/B28/B66
GSM 850/900/1800/1900 MHz

CN-Version:
LTE-FDD B1/B3/B5/B8
LTE-TDD B34/B38/B39/B40/B41
GSM 900/1800 MHz

Max Output Power

23dBm±2dB

Operating Voltage

9-90V DC

Operating Current

60mA

Standby Current

5mA

Memory Capacity

16MB+16MB

Card Slot

‌Nano SIM

Dimensions

98.5× 38 × 17mm

Weight

72g

Operating Temperature

-20℃~+75℃

Operating humidity

10%~85%RH

Protection Rating

IP67

Product Features

Real-Time Tracking

Optimize and streamline your delivery process to drive efficiently.

Temperature/Humidity Sensor(Optional)

Optional peripherals to monitor temperature and humidity to gain visibility into your operations and help save money.

Low-Battery Alarm

Trigger an alarm when the device battery is about to run out of charge.

Light Sensitive Alarm

Get alarms when light changes suddenly

Multiple Operating Mode

Configurable working modes according to your actual demands. Mode 1: Real Time Tracking Mode 2: Smart Tracking Mode Mode 3: Power Saving Mode Mode 4: Alarm Tracking Mode

Remote OTA

Using OTA technology doesn’t just promote security updates to be sent to devices. It also encourages new functionality to be rolled out.

Customer Reviews

Sophia L., Supply Chain Director
Sophia L., Supply Chain Director@sophia_l
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We've been using SEEWORLD's GPS trackers for our delivery fleet across rural areas in Texas, and the accuracy has been outstanding. Even in areas with weak signals, the device still sends location updates reliably. The long battery life means we don’t have to worry about frequent charging. Highly recommended for any logistics company!
Daniel R., Operations Manager
Daniel R., Operations Manager@daniel_r
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Our company transports temperature-sensitive medical supplies, and the W18L GPS tracker has been a life-saver. The built-in temperature and light sensors give us peace of mind, and alerts help us react quickly if anything goes wrong. Installation was simple and the mobile app is user-friendly.
James T., Construction Project Lead
James T., Construction Project Lead@james_t
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I was impressed with the transparent pricing and how easy it was to set up the tracker using Bluetooth. The smart tracking mode helps extend battery life without sacrificing accuracy. It’s waterproof, durable, and works perfectly for managing our equipment across multiple job sites.
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By submitting this form, you are agreeing to SEEWORLD’s privacy policy. Contact sales01@seeworld.com with any questions.
Note: We do not support tracking of people, bags, wallets, phones, or computers.
SEEWORLD provides B2B solutions only — not for individual or personal use.
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