User's Manual

Shenzhen Neoway Technology Co., Ltd. Page 6 of 32
1. Introduction
This document describes the hardware features of M660, and guides for the relevant
application design.
2. General Description
With the ultra-compact design, M660 is intended to be used in a wide range of applications,
including industrial and consumer devices. M660 is a GSM/GPRS module with EDGE of
downlink. It features with voice, SMS, and data services.
3. Simplified Block Diagram
Figure 1 M660 Block Diagram