GPRS GSM Module A7 SMS Voice Development Board Minimum System

SKU: 180927

12.09 10.88 Piece 10.88 USD

¥ 85.80

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Features:

  • Size 22.8 × 19.8 × 2.5mm;

  • Operating temperature -30 ℃ to +80 ℃;

  • Working voltage 3.3V-4.2V;

  • Starting voltage> 3.4V;

  • Standby average current 3ma below;

  • Support GSM / GPRS four bands, including 850,900,1800,1900 MHz;

  • Support China Mobile China Unicom 2G and the global GSM network;

  • GPRS Class 10;

  • Sensitivity <-105;

  • Support voice calls;

  • Support SMS text messages;

  • Support GPRS data services, the maximum data rate, download 85.6Kbps, upload 42.8Kbps;

  • Support standard GSM07.07,07.05 AT command and Ai-Thinker extended command;

  • Support two serial ports, a download serial port, an AT command port;

  • AT commands support standard AT and TCP / IP command interfaces;

  • Support digital audio and analog audio, support HR, FR, EFR, AMR voice coding;

  • Support ROHS, FCC, CE, CTA certification;