# Introduction

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## Introduction

When expanding a MORSE network with RipEX radio modems, different arrangements are possible. In the following paragraphs we assume that the whole network is divided into two parts – the MORSE part and the RipEX part. The two parts are interconnected through two radio modems – one MRxxx and one RipEX, hereafter referred to as border radio modems. As RipEX and MRxxx radio channel protocols are not compatible, we strongly recommend you use different frequencies for either part of the network.