4G Asset GNSS Tracker – 3-Year Disposable Battery & Magnetic Mount

The ML420G stands out with a disposable 4200mAh battery lasting up to 3 years in scheduled mode—no charging, no maintenance, no recycling costs. Its strong magnet enables instant, tool-free mounting on metal assets. It offers anti-detection, tamper alarms, Geo-fence, and 4G LTE tracking with GPS+GLONASS+BDS+AGPS. Ideal for long-term trailer, container, and equipment monitoring.

Product Features

Strong Magnetic

Powerful magnet for easy attachment and removal without drilling.
Trajectory Playback

Replay 180 days route to trace asset paths and secure your assets.
Geo-fence

Get alerts for unauthorized zone crossings, restrict vehicle activity range.
Real-time Tracking

Monitor your asset location live, keep full control all the time.
GNSS+LBS Positioning

Precise satellite positioning, LBS backup when satellite signals drop.
Teardown Alarm

Sends alert on disassembly, guarding against tampering or accidental detachment.
3-year Standby

Up to 3-year standby with one location fix per day.
Disposable Battery

No maintenance or recycling needed for hassle-free use.

Product Specifications
Key Features
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Device Param

Model	ML420G
Demension	73.5mm（L)42.8mm(W)31.2mm(H)
Weight	120g
Working Voltage	DC 2.5 - 3.6V
Working Temperature	-20℃ - 75C℃
Working Humidity	10%-85%RH
Built-in Memory	320pcs GPS data can be stored at network blind area

GNSS

Cold Start	Average 32 seconds
Hot Start	Average 1 second
GNSS Antenna	Built-in
Positioning Type	GPS+BDS+GLONASS
Tracking Sensitivity	-162dBm
Accurancy	Positioning accuracy: <10m (1σ)
	Time accuracy: <30ns (1σ)
	Rate accuracy: <0.1m/s (1σ)
Maximum Speed	515m/s
Maximum Altitude	18000m
Antenna Specifications	L1: 1575.42±1.023MHz
BDS Frequency	B1: 1561.098±2.046MHz

Cellular

Technology

2G GSM+4G LTE CAT1

Working Frequency

ML420G-SA

Module: SIMCOM A7670SA

GSM: 850/900/1800/1900MHz

LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28/B66

ML420G-EU

Module: SIMCOM A7670E

GSM: 900/1800MHz

LTE-FDD: B1/B3/B5/B7/B8/B20

Power

Battery	4200 mAh (3.0V Lithium Mn battery CR123A * 3)
Working Current	3V / average 75 mA
Dormant Current	3V / less than 3 uA
Standby Time	Tracking Mode: Around 10 Days
	Power Saving Mode: Around 25 Days
	Scheduled Mode: Around 3 Years (locate once a day)