S16L - 4G Wireless Magnetic GPS Tracker for Trailers Equipment with Rechargeable Long Life Battery (Compact & Portable)

S16L - 4G Wireless Magnetic GPS Tracker for Asset With Long Life Battery

The SEEWORLD S16L 4G GPS tracker for trailers and equipment comes with a rechargeable long-life battery (high-temperature-resistant safety explosion-proof type rechargeable lithium cobalt acid battery). With this tracker, you can set up multiple security, tracking, surveillance, emergency alerts, and administration functions easily.

S16L working equipment GPS tracker has an intelligent power-saving mode based on sensor design, supports flexible switching of multiple working modes, and can be used in many different applications. Moreover, the SIM card can be inserted and used, and this tracking device for trailers will not leak electricity even without the SIM card.

S16L positioning terminal is based on 4G communication technology. This mini GPS tracking equipment adopts an AT6558R chip, and it has the characteristics of stable communication, high positioning accuracy, low static drift, and low power consumption.

The 4G wireless tracking device also supports satellite positioning, BeiDou positioning, and single-base station and multi-base station positioning modes.

It has a reset button so this equipment tracking device can be restarted without disassembling. This GPS tracker is easy to use. Simply open the SIM card waterproof cover and insert the SIM card in the direction shown in the figure.

After inserting the SIM card into the device, press and hold the power button to turn on the device. After inserting the card, install the SIM card cover, log in through the APP or platform, and check the location.

With no light and no noise, you’ll be able to quietly and covertly monitor what’s going on around this small magnetic tracker device.

Other features of this wireless GPS tracker for trailers include:

  • Support remote monitoring and automatic recording
  • Support blind spot retransmission
  • Support driving behavior analysis, support speeding alarm
  • Support single-fence and multi-fence alarms
  • Sound monitoring track recording

This trailer GPS tracker with a rechargeable long-life battery can be widely used for:

  • Car loan business
  • Fleet and asset tracking companies
  • Car rental companies
  • Trucks, trailers, and other working vehicles.

Product Parameters

Additional information

GSM RF chip


GSM channel

TDD B34/38/39/40/41
FDD B1/B3/B5/B8E
GSM 850/900/1800/1900MHz

GPRS class


Communication protocol


Body memory


Phase error


Maximum output

GSM900 32.5±1.0dBm GSM1800 29.5 ±1.0 dBm

Maximum frequency error


GPS chipset


Positioning mode




Number of channel


Positioning accuracy


Tracking sensitivity


Capture sensitivity


Positioning time


Operating voltage range

3.8 V



Storage capacity o f blind spot track points


Operating temperature


Working Humidity




Device size


Working Time

Cold start≈40s
Warm start≈30s
Hot start≈5s

Product Functions

Vibration Alarm

With built-in vibration sensor, an alarm will be sent immediately when the vehicle has abnormal vibration.

Remote Voice Listening

Owner can remotely monitor the car anytime, anywhere.

Low Battery Alarm

When the car is in low-battery it will send an alarm.

Over-speed Alarm

When the vehicle is over-speed, then it willl be detected and send an alarm.

GEO- fence

A virtual area set on platform by yourself, you‘ll be informed when vehicle crossing its boundary.

Remote Voice Recording

Owner can record voice remotely.

Product Application

Installation Tutorial