Meitrack protocol

Integration level: params + settings
Protocol used by GPS tracking devices manufactured by Meitrack headquartered in China.
flespi parses the Meitrack protocol messages into a JSON object with the fields listed below in the Parameters tab.
ain
number
volts
Voltage on the analog input
battery.level
number
percentage
Internal battery level
battery.voltage
number
volts
Internal battery voltage
can.engine.coolant.temperature
number
celsius
Engine coolant temperature read from CAN
can.engine.rpm
number
rpm
Engine RPM read from CAN
can.fuel.consumption.distance
number
liters/100km
Fuel consumption read from CAN
can.wheel.speed
number
km/h
Vehicle wheel based speed, 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.type.id
number
ID of device type of device that received a message
din
number
Digital inputs bitmask
dout
number
Digital outputs bitmask
engine.ignition.status
boolean
Engine ignition status
engine.motorhours
number
hours
Total calculated engine motorhours
event.enum
number
Event code, full list of codes available at separate table
external.powersource.voltage
number
volts
External power voltage
geofence.id
number
Geofence ID
geofence.status
boolean
Geofence entered status
gsm.cellid
number
GSM base station ID
gsm.lac
number
GSM location area code
gsm.mcc
string
GSM mobile country code
gsm.mnc
string
GSM mobile network code
gsm.signal.dbm
number
dbm
Strength of GSM signal
ident
string
Device unique identificator and optional password
movement.status
boolean
Current movement state
peer
string
IP:port from which device connecting to the channel
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.satellites
number
Quantity of satellites used to calculate coordinates for given position information
position.speed
number
km/h
Instant speed at position detection moment
position.valid
boolean
Is position information accurate and valid for given timestamp
power.on.status
boolean
Power-on device status
protocol.id
number
ID of protocol
rfid.code
string
Hexadecimal code of connected RFID
server.timestamp
number
seconds
Timestamp when server received a message
timestamp
number
seconds
Message timestamp
towing.event
boolean
Towing event detected
trip.average.speed
number
km/h
Average speed of the trip
trip.duration
number
seconds
Trip duration
trip.max.speed
number
km/h
Maximum speed of the trip
trip.mileage
number
km
Distance driven since engine start
vehicle.mileage
number
km
Total calculated mileage
wifi.mac.address
string
WiFi MAC address
wifi.signal.strength
number
dbm
WiFi signal strength
Properties
Custom GPRS command
custom_gprs
Send custom command to device via GPRS connection
parameters: Comma-separated parameters (optional)
command_type: 3 symbols command code
Real-Time Location Query via GPRS connection
{"command_type":"A10"}
Setting a Heartbeat Packet Reporting Interval to 10 minutes via GPRS connection
{"parameters":"10","command_type":"A11"}
Custom SMS command
custom_sms
Send custom command to device via SMS
password: 4 digit device password. Default is 0000
parameters: Comma-separated parameters (optional)
command_type: 3 symbols command code
Setting the Scheduled Tracking to 10 seconds via SMS with PIN=1234
{"password":"1234","parameters":"10","command_type":"A12"}