Introduction; Sim800L Overview; Sim800L; Sim800L Key Features - SimCom SIM800L Hardware Design

1. Introduction

This document describes SIM800L hardware interface in great detail. The document can help customer to
quickly understand SIM800L interface specifications, electrical and mechanical details. With the help of this
document and other SIM800L application notes, customer guide, customers can use SIM800L to design various
applications quickly.

2. SIM800L Overview

SIM800L is a quad-band GSM/GPRS module, that works on frequencies GSM850MHz, EGSM900MHz,
DCS1800MHz and PCS1900MHz. SIM800L features GPRS multi-slot class 12/ class 10 (optional) and supports
the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.
With a tiny configuration of 17.8*15.8*2.4mm, SIM800L can meet almost all the space requirements in
customer applications, such as smart phone, PDA and other mobile devices.
SIM800L is a LGA package with 88 pads, and provides all hardware interfaces between the module and
customer's boards.
Support 5*5*2 keypads

One full modem serial port, customer can configure two serial ports

One USB, the USB interfaces can debug, download software

Audio channel which includes two microphone input; a receiver output and a speaker output

Programmable general purpose input and output.

A SIM card interface

Support FM

Support one PWM

SIM800L is designed with power saving technique so that the current consumption is as low as 1.11mA in
sleep mode.

2.1. SIM800L

Table 1: Module information
GSM
BT
FLASH
RAM

2.2. SIM800L Key Features

Table 2: SIM800L key features
Feature
Power supply
Power saving
SIM800L(MT6261)_Hardware Design_V1.01
Implementation
3.4V ~4.4V
Typical power consumption in sleep mode is 1.11mA (AT+CFUN=0 )
Smart Machine Smart Decision
SIM800L
850,900,1800 and 1900MHz
Not support
24Mbit
32Mbit
11 2016-07-07