Chapter 4 — Use the Phone
About the Phone
Activate the UMTS Phone
Phone features on the computer include a speaker and a microphone.
You can also use a Bluetooth headset or hands-free kit. The phone
feature is enabled by default.
The WWAN radio in your computer determines the supported network
If your computer includes the UMTS/HSPA+ WAN radio, you can
connect to UMTS networks.
If your computer includes the Flexible Network Radio, you can
connect to CDMA or UMTS networks in all regions that support these
technologies. The Flexible Network Radio is a software-defined radio
(SDR) that can be configured for CDMA or UMTS depending on your
wireless communication needs.
Honeywell supports Verizon in the United States (only) as a CDMA
network carrier. For other carriers, contact Honeywell Technical
After you turn on the phone and activate service with your wireless
carrier, you can customize the phone features and network settings in
the Wireless & Networks section of the Settings app.
Note: Both WWAN radios support Network Information and Time Zone
(NITZ) messages to automatically set the system time.
Activating the UMTS phone (Model CT50LUN) on your CT50 is done the
same way whether your computer has the Flexible Network Radio or the
You use a SIM card to activate the UMTS phone on the CT50. You can
purchase the SIM card from your network provider.
1 Power off the computer.
2 Disconnect the handstrap from the bottom of the computer.
3 Press and slide the battery door toward the bottom of the computer
to unlock the door.
4 Lift up on the edge of the battery and remove it from the computer.
Dolphin CT50 and CT50h Mobile Computer User Guide