ST4000 is a GPS locator for vehicle and ship. It has iridium SBD transceiver, which
provides globe service, supplies satellite communications where no GSM signal coverage.
The product is waterproof to IP68, it provides superior sensitivity GPS application, and supports FDD-LTE, Dual-Band GSM/GPRS/EDGE and dual-band UMTS/HSPA frequencies.
The device could be monitored by backend server or other specified terminals.
ST4000 has multiple input/output interfaces that can be used to monitor vehicle
status or control external device. User can setup device working parameter by PC setup program base on personality application.
ST4000 embedded GSM antenna. It has RS485 bus, support fuel sensor, flow meter,
