Description

Specification Details
Module SIMCom SIM800L
Network technology 2G GSM/GPRS
Frequency bands 850 / 900 / 1800 / 1900 MHz
Supply voltage 3.4–4.4 V DC; typically 4.0 V
Peak current Up to 2 A during transmission bursts
Serial interface UART — TXD and RXD
UART logic level Approximately 2.8 V; not directly 5 V tolerant
Configuration AT commands
SMS Text and PDU modes
Voice calls Supported with external microphone and speaker connections
Internet connectivity GPRS with integrated TCP/IP support
SIM interface Supports 1.8 V and 3 V SIM cards
Antenna External GSM antenna; spring antenna shown
Board features SIM-card holder, network-status LED and breakout connections
Applications SMS alerts, remote monitoring, security alarms and telemetry