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In general,
GPS receivers are composed of an antenna, tuned to the frequencies transmitted
by the satellites, receiver-processors, and a highly-stable clock . They may also include a display for providing location and
speed information to the user. A receiver is often described by its number of
channels: or satellites it can monitor simultaneously.that as of today can be
from twelve to twenty
channels.
The user's GPS receiver is the user segment (US) of the GPS system. and
can can interface with other devices
using methods including a serial connection, USB or Bluetooth.
GPS & Navigation , Handheld GPS ,Vehicle GPS ,Marine , Digital Compasses , MP3 GPS
,Traffic-Enabled , Travel GPS , Bluetooth Enabled .
Alpine ,
Amcor ,
BDI Distributors Inc.,
BottomLine , Brunton ,
Celestron ,
Cobra ,
Delphi,
dream'eo,
Fine Digital ,Fosmon Technology ,
Garmin,
Gilsson,
Harman Kardon ,
Hewlett-Packard ,
Holux ,
Humminbird ,
i-Blue,
iGage ,
Jensen ,
Lowrance ,
Magellan ,
Midland ,
Mio,Mobile Crossing ,
NaviBlue ,
Navigon ,
Navman GPS Car Units,
Nextar ,
Nikon ,
Nokia,
Norcross Marine Products ,
Philips ,
Pioneer ,
Plenio ,
PNI ,
Qstarz ,
ROADMAX ,
Sanyo ,
Sky TRX ,
SkyCaddie ,
Spectec ,
Standard Horizon ,
Support,
Suunto ,
Thales Navigation ,
Timex ,
TomTom ,
USGLOBALSAT ,
ViaMichelin ,
Whistler Radar ,
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