GV55VC GPS tracker of Queclink has an internal module CDMA2000 1xRTT dual-band, internal antennas CDMA/GPS that will facilitate the installation and reduce maintenance costs by not needing external wiring. For connections with external devices Queclink GV55VC GPS tracker offers the following interfaces: 1 Mini USB port to upgrade firmware or change settings, 2 digital outputs with open collector (150mA), 2 digital inputs (1 positive reserved for ignition and 1 negative). Using GV55VC in our GPS tracking platform you can manage some scheduled reports and control their vehicle event management or use our REST API to connect existing applications. The GV55VC GPS tracker of Queclink also enables the configuration change or update firmware via OTA commands and if you do not need real-time location or their automatic vehicle dispatch or field service management can program the following SMS alerts to receive them on a mobile phone: activation digital inputs alarm, on/off alarm, geo-fencing for service routes or deliveries tasks alarm or parking alarm. Also from our GPS tracking platform, you can manage the control of driving habits and control their vehicle care driving to improve their efficient driving.