156 Glossary
dormant
The network switches the data connection into dormant mode if there is no traffic
on the connection for some time. When you resume data traffic, the high-speed
data connection becomes active.
The data connection may also go dormant while a GPS fix is being acquired.
ESN
Electronic Serial Number—The unique serial number assigned to the USB modem
for cellular network use. Either the ESN or MEID is on the label on the USB modem
(under the battery), and is also displayed in the Device Info & Diagnostics window
(page 77). See also MEID.
FCC
Federal Communications Commission—The U.S. federal agency that is responsible
for interstate and foreign communications. The FCC regulates commercial and
private radio spectrum management, sets rates for communications services,
determines standards for equipment, and controls broadcast licensing. Consult
www.fcc.gov.
fix
GPS location information obtained from the network.
GPS
Global Positioning System—A system that uses a series of 24 geosynchronous
satellites to provide location data.
HEPE
Horizontal Estimated Position Error—Relates to GPS accuracy.
IS
Interim Standard—After receiving industry consensus, the TIA forwards the
standard to ANSI for approval.
kbps
kilobits per second—Actually 1000, not 1024, as used in computer memory size
measurements of kilobytes.
LAN
Local Area Network