Document Link: https://cloud.mail.ru/public/93e91a5b626f/YB-SIM800L.zip
TTL serial port can be used with a direct link to the microcontroller. No need MAX232
Power on the module automatically boot automatically search network
The chip is 2g,can work fine with Pi, will provide 2G and Whatsapp works with 2G
What You Get: 1X SIM800L GPRS Module, 2 X Antenna. Our 1 Year Warranty and Friendly Customer Service.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3 inch
Height : 0.25 inch
Length : 4.75 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B00QN1X5TS