Description: ATK-SIM900A-V12 (V12 is the version number, the following abbreviation ATK-SIM900A) is ALIENTEK launched a high-performance industrial grade GSM/GPRS module (development board). Industrial grade dual band GSM/GPRS module ATK-SIM900A module board SIMCOM company: SIM900A, frequency: 900/1800Mhz, dual low power can achieve SMS (voice, SMS, MMS, does not support) to transmit data and fax information.
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