User's Manual

GWM300 Hardware Interface Overview
1 Introduction
15
 GWM300_HIO_v01 2016-01-26
Confidential / Released
Page 7 of 35
1 Introduction
This document
1
describes the hardware of the GWM300. The GWM300 contains a Cinterion
®
EHS6 module, and has an RS-232 compatible interface with an 8-pin Molex Microfit connector,
including power supply, and an RF antenna connector.
The scope of this document includes interface specifications, electrical as well as mechanical
characteristics of the GWM300. It specifies standards pertaining to wireless applications and
outlines requirements that must be adhered to for successful product design.
The GWM300 is a compact GSM/UMTS modem to transfer data to/from other devices, such
as smart meter, to the mobile network. It is easy to use the GWM300 as a GSM/GPRS/UMTS
terminal. The GWM300 has an industrial standard serial interface that can be used to transfer
data to/from the connected device. The connected device can also send AT commands via this
serial interface, to control GWM300. The GWM300 supports quad band GSM and five band
UMTS. It has an integrated SIM card reader supporting 1.8V and 3V SIM cards.
GWM300 is not intended for use in vehicular environments.
1. The document is effective only if listed in the appropriate Release Notes as part of the technical docu-
mentation delivered with your Gemalto M2M product.