SIM800L GSM modem with external antenna

SKU: FA2028 Tag:
Dimensions 2.2 × 1.8 × 1 cm
Feature 1

Quad-band GSM 850/900/1800/1900 MHz

Feature 2

Interface – UART (Rx, Tx, Gnd)

Feature 3

Micro SIM card

Supply voltage

3.5 – 4.5 V

Operating temperature range

-30 °C-+80 °C


AT commands

The SIM800L GSM Modem with External Antenna is a cheap, modern and full-featured GSM modem.

This type of modem is used in some modern smartphones. The L index indicates that the modem can operate in low power mode. To connect the SIM800L to the Arduino you will need a silicon diode with at least 500 mA and a 100 uF x 10 V electrolytic capacitor or a buck power converter with at least 1000 mA