Esp-12s A9 A9G gprs node

Description

ESP-12S A9 A9G GPRS node is an all-in-one GSM module with WiFi module that allows you to add location tracking, text, SMS and data to your project. This IOT node has both WiFi and GPRS support. That means it is perfect for almost any wireless or internet connected project.

ESP-12S A9 A9G GPRS node specifications:
ESP-12S:
– ESP8266 @ 80MHz with 3.3V logic/power
– 4MB FLASH (32 MBit)
– WiFi 802.11 b/g/n
– 3.3V regulator with 500mA peak current output
– Auto-reset support to load custom firmware
– 4 x GPIO pins
– 1 x analog inputs 3.3V max
– 500mA LiPoly charger with status LED
– Reset button

A9G Feature:
– Quad band 850/900/1800/1900MHz
- GPS
– SMS messages
– GPRS data (TCP/IP, HTTP, etc.)
– Supports standard GSM07.07, 07.05 AT commands and Ai-Thinker extended commands
– Supports GPS, BD
– Nano SIM card holder

Links:
- PTM Wiki
- datasheets and sample code