ST2000 -V4:
4g satellite Built-in battery for boat vessel sea Iridium/GPRS dual-mode/satellite GPS tracker support SIM card
Embedded Iridium SBD Transceiver
Globe Operating Capability
FDD-LTE and UMTS/HSDPA/HSPA+ FDD support
RS485 Bus Compatible Custom Accessories
Support remote engine cut and SOS
Multiple Digital I/O and Anlage Input