User's Manual
Network Support—Chapter 4
169700 Series Color Mobile Computer User’s Manual
GSM/GPRS
GSM (Global System for Mobile communications) is an open, nonpro-
prietary wireless system. GPRS (General Packet Radio Service) is the high-
speed data evolution of GSM that supports Internet Protocol (IP), enab-
ling access to Internet and intranet content and applications from GPRS
wireless devices.
Note: See page 130 for information on loading this module in CORE.
WAN Monitor — General
The WAN Monitor CORE module displays helpful information about the
GSM/GPRS radio option built into your 700 Series Computer. The fol-
lowing illustrations are for a GSM/GPRS Siemens MC45 radio.
Below are descriptions and meanings for each piece of information pro-
vided via the General tab. Note that the information is listed alphabetically.
ATT Wireless
Network
Lists the name of the service providing the network support.
Baud Identifies the frequency bandwidth used by the radio module.
BER (Bit Error Rate) The average number of bits transmitted in error.
f/w Identifies the firmware version, if available.
h/w Identifies the hardware version, if available.
Network Type The network type which would list “GSM-GPRS.”
Phone Number Identifies the telephone number assigned to the SIM card.
Radio ES N The E lectronic Serial Number (ESN) assigned to this radio module. “Unavailable” appears if a
number cannot be read from the radio.
Registered on
home network
If the WAN radio module has registered with a service provider network, then one of the follow-
ing will appear:
S Registered on home network: Radio module is registered on its “home” network.
S Registered on roamed network: Radio module registered on another service provider’s network.
S Radio Not Registered: There is no network within range of this radio module.
RSSI Displays the Received S ignal Strength Indicator (RSSI) frequency or lists “Unavailable” if there
is no signal or the si gnal cannot be retri eved from the radio module.
Serial Status Indicates whether serial communications passed (“Serial c om OK”) or failed (“Serial com FAIL”)
in its last transaction. A status of “Serial com FAIL” typically indicates that the 700 Series Com-
puter i s unable to es tablish communication with the radio module installed within.
History:
This bar graph displays an active history of this radio module’s quality of
connections.