MEITRACK T399G Vehicle Tracker User Guide
Copyright © 2018 Meitrack Group All rights reserved. - 11 -
Memory
8 MB buffer
Sensor
3-axis accelerometer (used to wake the device up by vibration and detect
towing alerts, harsh acceleration alerts, and harsh braking alerts)
LoRa communication distance At most 20 meters (obtained from actual tests in trucks' containers)
LoRa working frequency
137–1020 MHz (433 MHz by default)
LoRa antenna
Built-in spring antenna
Frequency band
T399G-E:
UMTS/HSDPA: 900/2100 MHz
GSM/GPRS: 900/1800 MHz
T399G-A:
UMTS/HSDPA: 850/1900 MHz
GSM/GPRS: 850/900/1800/1900 MHz
T399G-T:
UMTS/HSDPA: 850/2100 MHz
GSM: 850/900/1800/1900 MHz
Note: Select proper device according to the local frequency band.
GPS sensitivity
-165 dB
Positioning accuracy
2.5m
I/O port
2 digital inputs and 1 analog detection input (0–30 V; selectable positive,
negative, and analog detection inputs)
1 output
1 USB port
1 1-wire interface (set to an output or a negative input)
1 output (voltage: 5V)
1 RS232 port (T399G RS232 version): GND/TX/RX
4
T399G and Accessories
Optional accessories:
Optional Accessory
Description
Relay (12 V/24 V)
Connect to output 1.
Buzzer
Connect to the 1-Wire interface (green cable), which needs to be set to
output 2.
The buzzer should be connected to 5 V power supply.
A52 digital temperature sensor
Connect to the 1-Wire interface (green cable).
iButton reader
Connect to the 1-Wire interface (green cable).
A53 fuel level sensor
Connect to AD input 1 (blue cable).
A64 remote control receiver
Connect to input 1 (grey cable), which needs to be set to the remote
control input.
A67 remote control
USB cable
Standard Android cable
400 mAh battery
High-temperature or normal-temperature battery optional
