3
1 Introduction
AT Plus 4E is a powerful GPS locator which is designed for vehicle, human, pets and assets
tracking. It works on LTE Cat M1 and NB-IoT FDD 1, FDD 3, FDD 8, FDD 20, FDD 28 and
GPRS/EDGE 900/1800 with superior receiving sensitivity. Its location can be real time or
schedule tracked by backend server or specified terminals. Based on the embedded wireless
tracking protocol, AT Plus 4E can communicate with the backend server through LTE network,
and transfer reports of emergency, Geo-fencing, device status and scheduled GPS position etc…
Service provider is easy to setup their tracking platform based on the functional wireless tracking
protocol.
2 Product Overview
2.1 Appearance
Figure 1-1
2.2 Buttons/USB Interface Description
Button /12PIN Interface Description
KEY/interface
Description
Power Key
Power on AT Plus 4E
Power off AT Plus 4E (If power key is enabled)
Function Key
SOS mode
USB interface
Connected to a charger can power on AT Plus 4E
Backend server developer or administrator can use the debug cable to
configure AT Plus 4E (by engineer not by end user).
Reset Key
Click the key will turn off internal VBAT when OS is abnormal, and then
press Power Key to restart AT Plus 4E.