Datasheet

LoRaWAN GPS Tracker with 9-axis accelerometer
LGT-92
OVERVIEW:
WWW.DRAGINO.COM
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Dragino Technology Co., Limited
Room 202, Block B, BCT Incubation Bases (BaoChengTai), No.8 CaiYunRoad
LongCheng Street, LongGang District ; Shenzhen 518116,China
Direct:[phone] |Fax:[phone]
The Dragino LoRaWAN GPS Tracker LGT-92 is an open source GPS tracker base on Ultra Low
Power STM32L072 MCU and SX1276/1278 LoRa Module.
The LoRa wireless technology used in LGT-92 allows the user to send data and reach extremely
long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high
interference immunity whilst minimising current consumption.It targets professional tracking service.
LGT-92 series products include two major variants:
*
LGT-92-LI : is powered by 1000mA rechargeable Li-on battery and charge circuit,
which target for real time tracking with short tracking uplink.
*
LGT-92-AA : Disable the charge circuit to get the lowest power consumption and is powered
directly by AA battery. This is designed for asset tracking where only need to uplink
a few times every day.
Specification:
Flash:192KB
EEPROM:6KB
MCU: STM32L072CZT6
RAM:20KB
Features:
Motion sensing capability
Power Monitoring
LoRaWAN 1.0.3 compliant
Regular/ Real-time GPS tracking
Built-in 9 axis accelerometer
Tri-color LED, Alarm button
1000mA Li-on Battery power (for LGT-92-LI)
MCU Side:
Tracking: 13mA
8uA@Backup Mode
Acquisition: 16mA
Cold Start: <35s
GPS,L70R:
Power Comsuption:
Sleeping Mode: 77uA (for LGT-92-LI)
Tracking: max: 38mA
Order Info:
LGT-92-XX-YYYYY
*YYYYY for valid frequency band, include:
EU868, US915, AU915, AS923, EU433
IN865, KR920, CN470
Dimension:
Size: 85 x 48 x 15 mm
Charging circuit with USB port (for LGT-92-LI)
LGT-92 includes a low power GPS module L70 and 9-axis accelerometer for motion and attitude
detection. The power for both of the GPS module and accelerometer can be controlled by MCU
to achieve the best energy profile for different applications.
LGT-92 is an open source product, it is based on the STM32Cube HAL drivers and lots of libraries
can be found in ST site for rapid development.
LoRa Transmit: 24 ~ 150mA
Net Weight: <55g
Warm Start: <30s
ReHot Start: <1s
Accuracy: < 2.5m CEP
triple-axis MEMS gyroscope
triple-axis MEMS magnetometer
MPU9250 9-axis
triple-axis MEMS accelerometer
Accelerometer:
3.5mA operating current
2 x AA battery holder (for LGT-92-AA)
Sleeping Mode: 2uA (for LGT-92-AA)
*XX for LI or AA