Furuno FELCOM 70 Operator's Manual page 166

6. DATA COMMUNICATION
9 Check Connect using a dial-up modem.
Click Next. Check "Modem - NERA F77 USB Modem". Click Next.
10 Enter the name for the connection e.g. Mobile Data Service via USB. Click
Next.
Enter phone number (through some Net Providers, dialing 28 automatically
connects you to the ISP – Internet Service Provider). Click Next.
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Modem - NERA F77 USB Modem [COM3]