ESP-12S A9G ESP8266 Wireless Cellular Global Positioning Module

The ESP-12S A9G ESP8266 Wireless Cellular Global Positioning Module combines the capabilities of the ESP8266 Wi-Fi module with the A9G GSM/GPRS and GPS module to provide both wireless internet connectivity and global positioning capabilities. This module is typically used in IoT (Internet of Things) projects that require wireless communication and GPS tracking.

Specifications

• ESP8266 Wi-Fi Module:
  • Microcontroller: Tensilica L106 32-bit RISC processor.
  • Wi-Fi Standard: 802.11 b/g/n.
  • Operating Voltage: 3.0V to 3.6V.
  • Flash Memory: 4 MB.
  • Interfaces: GPIO, UART, SPI, I2C, PWM, ADC.
• A9G GSM/GPRS and GPS:
  • Frequency Bands: Quad-band (850/900/1800/1900 MHz).
  • Data Rate: GPRS multi-slot class 12.
  • Positioning Systems: GPS and GLONASS.
  • Communication: Supports SMS, voice calls, and GPRS data.
  • GPS Accuracy: Typically within 2.5 meters.
  • Sensitivity: Cold start (-148 dBm), hot start (-162 dBm).
  • Power Supply: 3.5V to 4.2V.
  • Interfaces: UART, SIM card slot for cellular connectivity.
• Power Consumption:
  • Deep Sleep: As low as 10 µA in deep sleep mode for ESP8266.
  • Active Mode: GSM communication can consume up to 2A during peak transmission (so requires a proper power supply).
• Antenna: Typically includes antennas for GSM and GPS connectivity.