| Uses the GPRS wireless checking attendance machine biggest advantage is its network establishment simplicity. If increases a checking attendance data acquisition spot every time, so long as installs a wireless checking attendance machine in this spot then, does not need the wiring, does not need to increase the computer, does not need to increase the wired network the investment, does not need to apply for communication ways and so on ADSL. In inlays a handset card, the nation may check attendance (monitor), looks like the handset communication to be equally convenient. Thus, reduced the mesh point expansion cost greatly. |
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