SIMCom SIM340 Hardware Design Manual

About this manual

The SIM340 Hardware Design Manual describes the key features, functional diagram, and evaluation board of the SIM340 module. It includes detailed sections on application interfaces, power supply considerations, and operating modes such as sleep and power‑saving.

The document also contains extensive pin‑out tables, mechanical dimensions, antenna installation guidance, and electrical reliability data. Contact information for SIMCom is provided at the end of the manual.

What's inside

• Introduction
• Key Features
• Functional Diagram
• Application Interface and Pin Description
• Power Supply and Power Saving Modes
• Serial and Audio Interfaces
• Antenna Interface
• Mechanical Dimensions and Connectors

Specifications

Frequently asked questions

Who is responsible for system validation of the SIM340 module?

System validation of this product within a larger electronic system remains the responsibility of the customer or the customer's system integrator.