Ai-Thinker A9G GSM/GPRS+GPS/BDS Development Board

From the shop's description

Ai-Thinker A9G GSM/GPRS+GPS/BDS Development Board This GPRS GSM breakout board based on the AI-Thinker A9G, which is the newest GSM GRPS Quad-Band module. You can add voice, text, SMS, and data to your project with this module. It is a high-cost performance compare with SIM800, SIM900. A9 is an ideal solution for M2M applications, suitable for automotive, industrial and PDA, personal tracking, electricity environment detection, wireless POS, smart metering, and other M2M applications, to provide comprehensive GSM / GPRS text messaging, voice and data transmission services. Features: Working voltage: 5v USB or Lipo battery(3.3V-4.2V) Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ Supports digital audio and analog audio, supports HR, FR, EFR, AM R voice coding Support voice calls and SMS messages Embedded network service protocol stack Support standard GSM07.07.07.05AT command Package Includes: 1 x Ai-Thinker A9G GSM/GPRS+GPS/BDS Development Board Item Type: Other IoT Boards Model No.: A9G Frequency 850/900/1800/1900MHz GPRS Multi-slot Class 12 GPRS Mobile Station Class B Compatible with GSM Class 4 (2W@850/ 900MHz) Class 1 (1W@1800/1900MHz) Power Supply 3.5~4.2V typical value 4.0V Current range 1.14mA@DRX=5 1.03mA@DRX=9 AT command 3GPP TS 27.007, 27.005 Operating Temperature (°C) -40 to 85 Length (mm): 40 Width (mm): 25 Height (mm): 15 Weight (g): 22 Shipping Weight 0.025 kg Shipping Dimensions 12 × 8 × 3 cm Datasheet: DOWNLOAD