MC55_ATC_V04.00 Page 13 of 475 3/17/06
Confidential / Released
1. Introduction

1.1 Scope of the document

This document presents the AT Command Set for the Siemens Cellular Engine
MC55 Release 04.00.
Before using the Cellular Engine or upgrading to a new firmware version please read the latest product informa-
tion provided in the Release Notes [1].
More information is available at the Siemens Website: http://www.siemens.com/wm.