GPS GSM GPRS A7 Modul SMS Sprachentwicklung Minimum System Board für STM32 51
13,20 €
Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ;. GPRS Class 10;. Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding;. Support voice calls;. Supports two serial ports, a serial port to download an AT command port;.
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