Dual navigation terminal has two voltage stabilizers, and global system for mobile communication or general packet radio service modem is provided for processing signals from global system for mobile communication network

摘要

The dual navigation terminal has two voltage stabilizers (18,19). A Global system for mobile communication(GSM) or General packet radio service(GPRS) modem (5) is provided for processing the signals from a GSM and a GPRS network. The dual navigation terminal comprises a secure digital or multimedia card reader (12) for reading and storing the data from the secure digital or multimedia card.