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4G Cat.M1&NB OBD II GPS Tracker with BLE

4G Cat.M1&NB OBD II GPS Tracker with BLE

    Packaging: sponage mat and paper box or customization
    Productivity: 100000PCS/MONTH
    Brand: eSky
    Transportation: Air,Express
    Place of Origin: Suzhou city Jiangsu Province China
    Supply Ability: 100000/month
    Certificate: FCC/FCA/CTIA/ATT/RSHA
    HS Code: 9015800090
    Port: ShangHai,Shenzhen,HK

Basic Info

Model No.: ES840

Product Description

ES840 is OBDII vehicle GPS trackers. 4G OBDII GPS trackers support following communication protocols: SAE J1850 PWM, SAE J1850 VPW, ISO9141-2, ISO14230-4 (KWP2000), and ISO 15765-4. ES840 can read BLE sensors (tire pressure sensor) via its embedded BLE module. 4G OBD2 GPS trackers can read vehicle information such as VIN, RPM, odometer, fuel level, engine oil and coolant temperatures etc.


LTE & GSM Specifications

Operating Band

Cat M1/Cat NB:
LTE FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/ B19/B20/B25/B26/B28

LTE TDD: B39 (only Cat.M1 support)



General Specifications





Battery Capacity


Supply Voltage


Power Consumption

-Active mode:< 45mA @12VDC

-Sleep mode:< 10mA @12VDC

Operation Temperature

-20 to 65

Storage Temperature

-40 to 85

LTE Module

Quectel BG96

BLE Module

Cypress CYBT-343026-01


3 built-in antennas for cellular, BLE and GPS

GPS Specifications


Tracking: -162dBm

Position Accuracy (CEP 50)

<2.5m (Open Sky)


J Line


K Line

ISO9141, ISO14230KWP2000


ISO1576511/29Bit 250/500K

LED Indicators

GPS, cellular status, charger

Feature List


Send GPS information to server with configurable report interval

BLE positioning

Support BLE for positioning

Driving Behavior Detection

Report harsh braking, harsh acceleration and impact

Intelligent Engine On/Off

Detect engine on/off via OBD or proprietary detecting method by vibration

Trip Start and Trip End

Report trip start and trip end

Mileage Report

Report mileage for reimbursement purpose

Tamper Alert

Send messages if the power supply is disconnected

Over Speed Limit Alert

Report over speed limit

Power Saving Mode

Switch to low-power mode when it detects engine off

Storing Messages

Store messages if out of cellular coverage


Support multi circle and polygon setting

CAN, K-Line, J-Line communication

Read VIN, RPM and many other standard vehicle parameters

OTA (Over the Air)

Firmware can be remotely upgraded

Communication Protocol


eSky wireless Inc

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eSky Wireless is dedicated in the development of various types of GPS tracking terminals. We are extending our products into Internet of Things, smart city, connected car and healthcare applications.

We have experienced software development team and strong support team. We are continuously providing high quality of the products and great services to our customers. We keep working on innovation of new products and the improvement of the products. We hold many patents, software copyrights and as an innovation company, we are proud to earn [the High-Technology Enterprise Certificate" in China.

Our GPS tracking terminal has been certified with FCC, PTCRB, IC, CE, E-Mark and Telec from USA, Canada, Europe and Japan. Our products have been widely deployed across the globe including US, Japan, Australia, Europe and many other countries.

We have earned a reputation for execution and consistently delivering demonstrative value to our customers and partners.

Company Info

  • Company Name: eSky wireless Inc
  • Representative: Ling shuming
  • Product/Service: GPS tracker , GPS personal tracker , GPS tracking system , GPS vehicle tracker , IOT solution , Indoor Positioning
  • Capital (Million US $): 5000000RMB
  • Year Established: 2009
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 21 -30 People
  • No. of QC Staff: 11 -20 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: 29 # Dongfu Street Wuzhong District Suzhou City
  • Contact Person: Mr. rain
  • Tel: +86-512-62997695
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