Supported Hardware

Seeworld W15L

asset, magnetic
The W15L is a 4G wireless GPS tracker designed for asset monitoring with extended battery life, featuring GPS/BDS/LBS triple positioning technology and a powerful 7500mAh battery with strong magnetic attachment for easy installation. It offers IP65 waterproof protection, voice monitoring capabilities, and ultra-long standby time for reliable asset tracking applications. The device is ideal for financial risk control, cargo transportation supervision, car rental, title loans, ride-share, anti-theft, and fleet management applications requiring portable, long-lasting wireless tracking solutions.
Parameters Table
Parameter Type Unit Description Sources
alarm.code number Protocol-specific alarm code number Protocol Number 0x16
alarm.event boolean Alarm event triggered Alarm 0x01 of Protocol Number 0x16
battery.charging.status boolean Battery charging status Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
battery.level number percentage Internal battery level Protocol Number 0x13, Protocol Number 0x16
battery.low.alarm boolean Battery low alarm event Alarm 0x0E of Protocol Number 0x16
channel.id number ID of channel that received a message
defense.active.status boolean Defense activated status Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
device.id number ID of device that received a message
device.imei string IMEI of the device Protocol Number 0x94
device.name string Name of device that received a message
device.type.id number ID of device type of device that received a message
displacement.alarm boolean Displacement alarm event Alarm 0x09 of Protocol Number 0x16
engine.blocked.status boolean Engine blocked status (fuel cutoff relay), true - engine is blocked, false - engine isn't blocked Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
engine.ignition.status boolean Engine ignition or ACC status Alarm 0xFE of Protocol Number 0x16, Alarm 0xFF of Protocol Number 0x16, Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16, Protocol Number 0x22
external.powersource.voltage number volts External power voltage Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
geofence.status boolean Geofence entered status Alarm 0x04 of Protocol Number 0x16, Alarm 0x05 of Protocol Number 0x16
gnss.realtime.status boolean True - GNSS realtime positioning, False - differential positioning Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
gnss.status boolean GNSS receiver on/off status Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
gsm.cellid number Mobile network (GSM, 3G, 4G, LTE, 5G, ...) base station ID Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
gsm.jamming.event boolean Mobile network (GSM, 3G, 4G, LTE, 5G, ...) signal jamming detected Alarm 0xEF of Protocol Number 0x16
gsm.lac number Mobile network (GSM, 3G, 4G, LTE, 5G, ...) location area code Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
gsm.mcc number Mobile network (GSM, 3G, 4G, LTE, 5G, ...) country code Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
gsm.mnc number Mobile network (GSM, 3G, 4G, LTE, 5G, ...) code Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
gsm.signal.level number percentage Mobile network (GSM, 3G, 4G, LTE, 5G, ...) signal strength level Protocol Number 0x12, Protocol Number 0x13, Protocol Number 0x16
gsm.sim.iccid string Integrated Circuit Card Id of SIM card of the Mobile network (GSM, 3G, 4G, LTE, 5G, ...) Protocol Number 0x94
gsm.sim.imsi string IMSI of SIM card of the Mobile network (GSM, 3G, 4G, LTE, 5G, ...) Protocol Number 0x94
harsh.acceleration.event boolean Harsh acceleration detected Alarm 0x26 of Protocol Number 0x16
harsh.braking.event boolean Harsh braking detected Alarm 0x27 of Protocol Number 0x16
harsh.turn.event boolean Harsh turn event detected Alarm 0x28 of Protocol Number 0x16
ident string Device unique identifier like serial number, IMEI, etc
light.alarm boolean Light alarm active/not active status Alarm 6 of Protocol Number 0x16
message.buffered.status boolean Black box message Protocol Number 0x22
overspeeding.event boolean Overspeeding detected Alarm 0x06 of Protocol Number 0x16
peer string IP:port from which device connecting to the channel
position.direction number degrees Heading angle at position detection moment
position.latitude number degrees Latitude coordinate value Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
position.longitude number degrees Longitude coordinate value Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
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 Number 0x12, Protocol Number 0x16, Protocol Number 0x22
position.valid boolean Is position information accurate and valid for given timestamp Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
power.cut.alarm boolean External power cut-off alarm event Alarm 0x02 of Protocol Number 0x16
protocol.id number ID of protocol
protocol.number number Protocol number
report.reason number Transmission reason code Protocol Number 0x22
sensor.humidity number percentage Humidity sensor value, i.e. relative air humidity level Protocol Number 0x22
sensor.temperature number celsius Temperature sensor value Protocol Number 0x22
server.timestamp number seconds Timestamp when server received a message
timestamp number seconds Message timestamp Protocol Number 0x12, Protocol Number 0x16, Protocol Number 0x22
total.trip.duration number seconds Total trips duration Protocol Number 0x22
vehicle.mileage number km Total calculated mileage Protocol Number 0x12, Protocol Number 0x22
vibration.alarm boolean Vibration alarm event Alarm 0x03 of Protocol Number 0x16, Terminal info alarm 1 of Protocol Number 0x13, Terminal info alarm 1 of Protocol Number 0x16