Adafruit FONA 3G Cellular Breakout - American version Without Free Ting Sim Card Shipping:1 day The ESP8266 is a cost-effective

The ESP8266 is a cost-effective

The transmitter module and the receiver module each ship with 1 Gravity: digital sensor cable by default

including the A4990 driver and a FET for reverse battery protection

Communication is RS485

Size: 280 × 300 × 130 mm (11" × 12" × 5")

Adafruit FONA 3G Cellular Breakout - American version Without Free Ting Sim Card Shipping:1 day The ESP8266 is a cost-effectiveFor those who want to take it to the next level we now have a 3G Cellular Modem breakout! The FONA 3G has better coverage, GSM backwards compatibility and even sports a built in GPS module for geolocation & asset tracking. This all in one cellular phone module with that lets you add location tracking, voice, text, SMS and data to your project in a single breakout. If you want the version that comes with a free Ting 2G SIM Card, click here! This