Smart Machine Smart Decision
SIM800H _Hardware Design_V2.03
11
2016-10-10
1.
Introduction
This document describes SIM800H hardware interface in great detail. The document can help customer to
quickly understand SIM800H interface specifications, electrical and mechanical details. With the help of this
document and other SIM800H application notes, customer guide, customers can use SIM800H to design various
applications quickly.
2.
SIM800H Overview
SIM800H is a quad-band GSM/GPRS module, that works on frequencies GSM850MHz, EGSM900MHz,
DCS1800MHz and PCS1900MHz.
With a tiny configuration of 17.8*15.8*2.4mm, SIM800H can meet almost all the space requirements in
customer applications, such as smart phone, PDA and other mobile devices.
SIM800H is a LGA package with 88 pads, and provides all hardware interfaces between the module and
customers’ 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 Bluetooth
Support FM
Support one PWM
SIM800H is designed with power saving technique so that the current consumption is as low as 1.04mA in
sleep mode.
2.1.
SIM800H
Table 1: Module information
SIM800H
GSM
850,900,1800 and 1900MHz
BT
Support
FLASH
32Mbit
RAM
32Mbit
2.2.
SIM800H Key Features
Table 2: SIM800H key features
Feature
Implementation
Power supply
3.4V ~4.4V
SIMCOM
CONFIDENTIAL
FILE
