| Parameter | Type | Unit | Description | Sources |
|---|---|---|---|---|
| ain | number | volts | Voltage on the analog input | |
| battery.voltage | number | volts | Internal battery voltage | |
| 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.serial.number | string | Device serial number | ||
| device.type.id | number | ID of device type of device that received a message | ||
| din | number | Digital inputs bitmask | ||
| dout | number | Digital outputs bitmask | ||
| driver.id | string | Driver identification card id | ||
| event.enum | number | Protocol-specific event code | ||
| frequency.counter.din | number | Frequency counter value on digital input | ||
| ident | string | Device unique identifier like serial number, IMEI, etc | ||
| 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.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 | |
| 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 | |
| vehicle.mileage | number | km | Total calculated mileage |