E-Lins UH683 Series Bedienungsanleitung PDF herunterladen (Seite 15)

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3.7 Test command

Test AT command

AT<CF> //Test “at“command

I/OK //Response ok parameter if successfully connected, you can make sure the

module have no malfunction

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AT+CSQ<CF> // to check the Signal quality

+CSQ: **, ## // ** Should be the number between 10 and 31, the signal quality becomes better

as the number grows. ## should be is 99, Or you should checking

the equipment of antenna or SIM card.

If you succeed in testing command, at now, you can begin to use Modem

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E-Lins UH683 Series Bedienungsanleitung Seite 15