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ESP32 Wireless Module SIM Antenna WiFi Bluetooth Development Expand Board Devkit for ArduinoSpecifications For SIM800MCUESP32GSM/GPRSSIM800SIM Nano Card SlotYes [2G]ESP32Clock Speed240MhzFlash4MB/8MBPSRAM8MBWireless ConnectivityWi-Fi: 802.11 b/g/nBluetooth: v4.2 BR/EDR and BLEButtonENCharging ICIP53..

The A9G is a complete quad-band GSM / GPRS module that combines GPRS and GPS / BDS technologies and integrates it in a compact SMD package, saving customers time and money in developing GNSS applications. The A9G can be used in a wide range of IoT applications and is ideal for IoT applications for h..