ES611 is a 2G (GSM/GPRS) GPS Tracker for vehicle. It embedded with u-Blox7, a superior performance GPS receiver. It supports TCP/UDP for reporting location and sensor information. Other than the basic feature of location report, it can be integrated with relay, camera/dashcam, RFID reader, fuel sensor, temperature/humility sensor, flow meter and many other sensors with 5 IOs (factory configurable combinations of up to 3 digital inputs, 2 digital outputs, 3 analog inputs (A/D), 1 UART or 1 RS232C). It can work in humid environment because of its waterproof design.

Main Functions

● Tracking

● Geofence

● Backup Battery

● Over Speed Limit

● Mileage

● 3-Axis Accelerometer

● Storing Message

● Power Saving Mode


● Waterproof Case

● OTA (Over the Air)



Physical and Electrical

Dimensions: 89mm *47mm *18mm

Weight: 69g (without wire) 147g(with wire)

Input voltage range: 9-36VDC

Power consumption:

– Active mode: 43mA @12VDC

– Sleep mode: < 17mA @12VDC

Operation temperature: -20℃ to 65℃

Storage temperature (Without battery):

-40℃ to 85℃

GPS Specification

-162 dBm Tracking Sensitivity

Location Technology (56 channel GPS)

Location Accuracy < 2.5m(CEP)

Comprehensive IOs

3 inputs and 2 outputs

1 A/D input and UART

2 LEDs for GPS and Cellular status

Built-in Cellular and GPS antenna


Cellular Communication


GPS/GPRS 850/900/1800/1900 MHZ

GPRS multi-slot class 12

Output Power:

– Class 4 (2W @850/900MHZ)

– Class 1 (1W @1800/1900MHZ)

Protocol: TCP /UDP/SMS

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