Wialon Retranslator is a universal protocol supported by devices of multiple manufacturers. The protocol is designed by Gurtam for quick message retranslation from multiple devices between Wialon servers within a single TCP connection.
See protocol specification here.

Below is the list of parameters that can appear in the messages received by the channel via wialon_retranslator protocol. In most parameters, the name consists of tags split by dots: tag1.tag2.tag3.tag4... Each tag defines a certain area of an application, e.g. any parameter that contains mileage data has the 'mileage' tag in the name and any parameter related to fuel control contains the 'fuel' tag. By default JSON fields of the message received by a channel via this protocol can only contain the below-specified parameters. Any additional parameter will be prefixed by the "custom" tag, e.g. "custom.unspecified-name".

Name Type Unit Description
alarm.event boolean Alarm event triggered
channel.id number ID of channel that received message
device.id number ID of device that received message
device.name number Name of device that reveiced message
device.type.id number ID of device type of device that recevied message
din number Digital inputs bitmask
dout number Digital outputs bitmask
ibutton.code string Hexadecimal code of connected iButton
ident string Device unique identificator and optional password
image.bin.jpeg string Image binary data in JPEG format, base64 encoded
image.name string Name of image file captured by camera
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
protocol.id number ID of protocol
server.timestamp number seconds Timestamp when server received message
timestamp number seconds Message timestamp
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