Ulbotech T381

Ulbotech T381 is an OBD-II tracker with 4G support. It can use Wi-Fi to transmit telematic data, and also has a three-axis accelerometer.

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Location and tracking

Ulbotech T381 is embedded with GPS and doesn’t have support of GLONASS and alternative systems. It either doesn’t support Assisted GPS (A-GPS) technology.

With a highly sensitive GPS engine along with an integrated GPS antenna and multiple OBDII protocols supported, Ulbotech T361 can be installed in the majority of vehicles.

Mobile networks

T381 supports 4G network and WIFI function, combined 4G LTD and WIFI technology to transfer the 4G signal of mobile operator to WIFI signal to achieve WIFI hotspot function. It max supports up to 10 smart phones, PAD and laptop etc to connect with the internet via WIFI, to achieve the high-speed sharing of resources and the interconnection and mutual communication between the terminal within the local area.


Ulbotech T381 has following features:

  • OBD connectivity, simple to install, easy to use.
  • Supports all OBDII protocols and SAE J1939(250/500kbaud).
  • Internal 4G LTE modem, supports 2G/3G/4G network.
  • Build in WIFI hotspot support 802.11 b/g/n.
  • U-blox MAX-7 GPS module with A-GPS.
  • Internal WIFI, 4G LTE and 25mm*25mm active GPS antenna.
  • Internal multi-functions input and immobilizer for anti-theft.
  • Internal 3-axis accelerometer.
  • 8 types driver behavior detect.
  • Tracking by time, distance, course and status.
  • Geo-fence(Circle, Rectangular and Polygon).
  • FOTA(Firmware updating via 4G LTE or WIFI).
  • Auto APN identification.
  • Auto time zone identification.

Power supply

External power supply might be 8-32V, which makes possible to use Ulbotech T381 with all car models.

The device also has built-in backup 3.7V 180 mAh battery.

Local and remote management

Ulbotech T381 tracker can be fully controlled over GPRS. There is also a wide list of SMS commands in a human-friendly format, on which device always replies back. It supports remote APN settings configuration by SMS.

Integración de Servidor

Servidor de la (
Servidor de la (
Puerto de servidor47702

Información general

InstalaciónNo necesesario
Factor de forma especialOBDII Dongle


Peso55 g (1.94 oz.)
Tamaño65x61x26 mm (2.56x2.4x1.02 in)

Localización GNSS

Antena interna (GNSS)


Tipo de la red del celularGSM Quad Band
Antena interna (Conexión)
Generación de red celular3G, 4G, 2G


Entrada ACC/ignisión

Características de hardware

Capacidad de batería180 mAh
Batería integrada
El botón de pánico
Sensor de la temperatura interna

Características de rastreo

Modos de rastreoContinuo
Localización por Cell ID
ECO driving

Monitoreo de eventos

Accidente de tráfico


Nivel de señal GNSS
On request
Voltaje de alimentación externa
Nivel de batería interna


Parámetros CAN/OBDIIFuel level, fuel consumption, engine RPM, throttle position, speed, coolant temperature and other

Administración remota

Configuración remota de dispositivoSí (por GPRS), Sí
Localización por LBS preferente a GPRS
On request
Localización forzada de GNSS por SMS
On request



Más de Ulbotech

Ulbotech T361

Ulbotech T361

Ulbotech T381

Ulbotech T381

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