SIM800L GSM Module With Aerial

The SIM800L is a quad-band GSM/GPRS module that gives any microcontroller the ability to make calls, send and receive SMS, and connect to the internet via GPRS — on any standard SIM card. Supplied with aerial for South African network compatibility, it's the standard choice for remote IoT monitoring and alarm systems.

🔹 Key Applications

• Remote SMS alert systems for alarms, sensors, and monitoring

• GPRS data upload from remote weather or environmental stations

• GPS tracker with GSM position reporting

• Automated SMS notifications from industrial systems

• Remote asset tracking and fleet management

• Emergency call systems in remote installations

🔹 Why Choose This Module?

• Quad-band GSM — works on all South African networks (Vodacom, MTN, Cell C)

• SMS, voice call, and GPRS data — complete cellular communication

• AT command interface — standard and widely documented

• Supplied with aerial — ready to connect in SA

• Low power sleep modes — ideal for battery-powered remote systems

🔹 Technical Specifications

• Module: SIM800L

• Bands: Quad-band GSM 850/900/1800/1900 MHz

• Interface: UART (AT commands)

• Supply Voltage: 3.4 V – 4.4 V DC

• Data: GPRS Class 10

• Aerial: Included

🔹 What's Included

1 × SIM800L GSM Module with Aerial

🔹 Pro Tip

💡 The SIM800L requires a clean 3.7–4.2 V supply capable of 2 A peak — a standard 3.3 V regulator is insufficient. Use a dedicated LiPo cell or a low-dropout 4 V regulator with 1000 µF decoupling capacitor. Registration failures ('No network') are almost always a power supply issue, not a network problem.

⚠️ Note: Always ensure proper heat dissipation and correct voltage configuration before powering connected devices.