Astra Telematics AT502

Astra Telematics AT502 is a mini battery-powered asset tracking device designed for long-term monitoring of unpowered assets. Featuring up to 5 years of battery life in low-power mode, the AT502 provides extended operation without requiring recharging. The device combines GSM (2G) and LTE-M (4G) cellular communications for reliable connectivity, along with built-in BLE 4.2 for easy configuration via smartphone. With IP68 waterproof rating and flexible magnetic or bolt-mount installation options, the compact AT502 is ideal for tracking containers, cargo, equipment, trailers, and other portable assets in demanding outdoor environments.

Protocol: astra-telematics Manufacturer: Astra Telematics Change log: astra-telematics

Usage specifics

Parameters (80)

Commands (1)

Here’s the like of JSON you get

{
    "ident": "352625333222111",
    "position.altitude": 273.61,
    "position.hdop": 0.7,
    "position.latitude": 49.069782,
    "position.longitude": 28.632826,
    "position.satellites": 18,
    "server.timestamp": 1650636570.426424,
    "timestamp": 1650636570.426424,
    "device.type.id": "Astra Telematics AT502",
    "channel.id": 1111,
    "protocol.id": "astra-telematics"
    "engine.ignition.status": true
    ...
}

How to consume this nice JSON

The easiest way is to make a REST API request like this

curl -X GET  --header 'Authorization: FlespiToken XXX' 'https://flespi.io/gw/devices/<device id>/messages'

Explore REST API Show more ways to consume data How to connect my Astra Telematics AT502 to flespi

How to send commands to Astra Telematics AT502?

You can send a specific command. Show all commands

You can also

Modify messages

Add or remove parameters, inject data from LBS and reverse-geocoding services, etc.

Learn what plugins can do

Aggregate data

Determine trips and stops, catch events, detect geofence ins/outs, and more.

Learn about flespi analytics capabilities

Name

Type

Unit

Description

Sources

ain

number

volts

Voltage on the analog input

alarm.panic.status

boolean

Panic alarm event occurred

axle.weight

number

Axle weigth

battery.level

number

percentage

Internal battery level

battery.low.alarm

boolean

Battery low alarm event

ble.beacons

array

Standard parameter names used: *id* - beacon identification string. Usually it is beacon's UUID or MAC-address *local_name* - Beacons's Local Name *rssi* - BLE signal level. Units = dBm *battery.voltage* - Beacon's battery voltage. Units = volts *battery.level* - Beacon's battery level. Units = percentage *temperature* - Beacon's temperature. Units = celsius

can.data.frame

string

CAN data frame value in HEX representation, indexed by CAN message ID or element identifier

can.dtc

array

Diagnostic trouble code array read from CAN May content list of OBDII codes or list of objects with codes. Standard object parameter names used: *standard* - Protocol standard (J1939, J1708(J1587), OBDII) *mid* - Message Identifier (J1708) *sid* - Subsystem Identifier (J1708) *fmi* - Failure Mode Identifier (J1939, J1708) *spn* - Suspect Parameter Number (J1939) *sa* - Source Address (J1939, OBDII) *oc* - Occurrence Count (J1939) *cm* - Conversion Method (J1939) *status* - Status of error code (active, pending, historical, permanent)

can.engine.coolant.temperature

number

celsius

Engine coolant temperature read from CAN

can.mil.mileage

number

Distance traveled while malfunction indicator lamp is activated, read from CAN

can.mil.time

number

hours

Time run with malfunction indicator lamp activated, read from CAN

can.service.mileage

number

Service distance read from CAN

channel.id

number

ID of channel that received a message

device.id

number

ID of device that received a message

device.name

string

Name of device that received a message

device.tamper.status

boolean

Device tamper status true - device is opened, false - device is closed

device.type.id

number

ID of device type of device that received a message

din

number

Digital inputs bitmask

driver.id

string

Driver identification card id

driver.id.source

string

Driver identification source

engine.blocked.status

boolean

Engine blocked status (fuel cutoff relay), true - engine is blocked, false - engine isn't blocked

engine.ignition.status

boolean

Engine ignition or ACC status

engine.motorhours

number

hours

Total calculated engine motorhours

external.powersource.voltage

number

volts

External power voltage

fms.cruise.time

number

seconds

FMS Eco driving Cruise time

fuel.level

number

percentage

Fuel level percentage

geofence.id

number

Geofence ID

gnss.jamming.status

boolean

GNSS receiver signal jamming detected

gnss.odometer

number

Odometer value calculated from GNSS data

gsm.mcc

number

Mobile network (GSM, 3G, 4G, LTE, 5G, ...) country code

gsm.mnc

number

Mobile network (GSM, 3G, 4G, LTE, 5G, ...) code

gsm.network.roaming.status

boolean

Mobile network (GSM, 3G, 4G, LTE, 5G, ...) in roaming mode

gsm.signal.level

number

percentage

Mobile network (GSM, 3G, 4G, LTE, 5G, ...) signal strength level

gsm.sim.iccid

string

Integrated Circuit Card Id of SIM card of the Mobile network (GSM, 3G, 4G, LTE, 5G, ...)

gsm.sim.imsi

string

IMSI of SIM card of the Mobile network (GSM, 3G, 4G, LTE, 5G, ...)

ident

string

Device unique identifier like serial number, IMEI, etc

max.x.acceleration

number

Harsh acceleration event max accelerometer value on X-axis

max.y.acceleration

number

Harsh acceleration event max accelerometer value on Y-axis

max.z.acceleration

number

Harsh acceleration event max accelerometer value on Z-axis

message.buffered.status

boolean

Black box message

min.x.acceleration

number

Harsh acceleration event min accelerometer value on X-axis

min.y.acceleration

number

Harsh acceleration event min accelerometer value on Y-axis

min.z.acceleration

number

Harsh acceleration event min accelerometer value on Z-axis

movement.status

boolean

Current movement state

peer

string

IP:port from which device connecting to the channel

position.accuracy

number

meters

Position data accuracy in meters

position.altitude

number

meters

Altitude value for position

position.direction

number

degrees

Heading angle at position detection moment

position.hdop

number

Horizontal dilution of precision

position.latitude

number

degrees

Latitude coordinate value

position.longitude

number

degrees

Longitude coordinate value

position.max.speed

number

km/h

Maximum speed value

position.satellites

number

Quantity of satellites used to calculate coordinates for given position information

position.satellites.visible

number

The number of visible GPS satellites at the time the location was received

position.speed

number

km/h

Instant speed at position detection moment

position.valid

boolean

Is position information accurate and valid for given timestamp

private.status

boolean

Device is in private mode

protocol.id

number

ID of protocol

record.seqnum

number

Registered record sequence number

sensor.temperature

number

celsius

Temperature sensor value

server.timestamp

number

seconds

Timestamp when server received a message

sleep.mode.status

boolean

Device is in sleep mode

tacho.fms.driver.id

string

Indexed Driver ID read from Tacho FMS

timestamp

number

seconds

Message timestamp

total.fuel.consumed

number

liters

Total fuel consumption from device power on to the latest ACC ON time

towing.alarm.status

boolean

Towing alarm state

trip.average.engine.load.level

number

percentage

Average engine load during trip

trip.average.engine.rpm

number

rpm

Average engine RPM during trip

trip.average.speed

number

km/h

Average speed of the trip

trip.average.throttle.pedal.level

number

percentage

Average throttle pedal level during trip

trip.fuel.consumed

number

liters

Fuel consumed in the last trip

trip.idle.time

number

seconds

Time the vehicle was idle based on GPS and accelerometer information, according to corresponding threshold

trip.max.engine.load.level

number

percentage

Max engine load during trip

trip.max.engine.rpm

number

rpm

Max engine RPM during trip

trip.max.speed

number

km/h

Maximum speed of the trip

trip.max.throttle.pedal.level

number

percentage

Max throttle pedal level during trip

trip.mileage

number

Distance driven since engine start

vehicle.collision.alarm

boolean

Ordinary vehicle collision alarm

vehicle.mileage

number

Total calculated mileage

vehicle.state.bitmask

number

Vehicle state flags bitmask

Title

Name

Description

Properties

Custom command Examples

custom

Send custom command to device. Provide the full command text (e.g. $ATSW or $DIST,500).
is added automatically

payload: Command payload

Read IMEI

{"payload":"$IMEI"}

Read firmware version

{"payload":"$ATSW"}

Force immediate report

{"payload":"$POLL"}

Device health check (machine-readable)

{"payload":"$TEST,1"}

Set in-journey timed interval [seconds]

{"payload":"$JSEC,30"}

Set distance reporting interval [metres]

{"payload":"$DIST,500"}

Astra Telematics AT502

Here’s the like of JSON you get

How to consume this nice JSON

How to send commands to Astra Telematics AT502?

You can also

Modify messages

Aggregate data

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