What you need
SIM800L module X 1
GSM Antenna X 1
CP2102 Module X 1
Several Cables
DC Power Supply
Software SSCOM3.2
NOTE: The input voltage is 3.7-4.2V
Connection:
SIM800L CP2102 DC Power Supply
TX RX
RX TX
GND GND GND
VCC VCC( 3.7-4.2V)
Open software SSCOM3.2, then you can send AT command:
For more AT command, please download from this link
https://drive.google.com/open?id=1MR7HtLoeCq7svqtESLwl7Z8-Zvt40XwQ
Where to buy?
Product link http://www.diymalls.com/index.php?route=product/product&product_id=71&search=SIM800L
eBay link https://www.ebay.com/itm/182736378127
aliexpress link http://aliurl.cn/CUUDOG
Bulk order please contact sales@diymalls.com