Dvmega gmsk modem
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Dooren Electronics Solutions

Dvmega gmsk modem

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£63.95
(£53.29 exc. VAT)
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Product code: DVMEGA GMSK Shield
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£63.95
12 Months 14.9% APR
£6.39
£5.51
£72.52
£63.95
18 Months 14.9% APR
£6.39
£3.67
£72.52
£63.95
24 Months 14.9% APR
£6.39
£2.76
£72.52
£63.95
36 Months 14.9% APR
£6.39
£1.84
£72.52
£63.95
48 Months 14.9% APR
£6.39
£1.38
£72.52
£63.95
12 Months 19.5% APR
£6.39
£5.73
£75.17
£63.95
18 Months 19.5% APR
£6.39
£3.82
£75.17
£63.95
24 Months 19.5% APR
£6.39
£2.87
£75.17
£63.95
36 Months 19.5% APR
£6.39
£1.91
£75.17
£63.95
48 Months 19.5% APR
£6.39
£1.43
£75.17

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Dvmega gmsk modem

Dvmega gmsk modem


The DVMEGA GMSK board utilizes the CMX589 modem chip to shield Arduino UNO, Arduino Mega 128 or Arduino Mega 2560. The Arduino controls the modem with the help of freely available software. The modem decodes GMSK signals, which are then transferred over the USB interface to an attached computer. The digital data is transmitted from the computer to the Arduino and the modem, which then produces a GMSK signal used to modulate the attached radio. The connection to the radio is made over a standard 6-pin MiniDIN Data connector.

DVMEGA GMSK Modem

A computer program is available for a Windows PC and the Raspberry Pi. Using Yahoo groups, the author G4KLX offers various programs like ircDDBGateway and the PCrepeaterController. A local digital modulation hotspotation can be built with these programs and hardware mentioned above. The benefit is that the function can be adapted for future developments due to the use of a software-programmable modem on the Arduino. For example, it would be possible to extend the function of the modem not only to Icoms D-Star mode but also to Yaesus 'System Fusion' C4FM modulation or other digital systems (e.g. DMR).

Please consider your local regulations concerning the construction and use of such radio systems. The combined products do not have a CE mark and should only be used by licensed radio amateurs.

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