http://www.articleheaven.net en-us editorial@articlealley.com The ability to wirelessly transmit machine to machine (M2M) information has made it possible to monitor remote locations which would otherwise be too difficult or too costly to monitor with wired communication. But, because these locations are remote, th... http://www.articleheaven.net/gsm-external-antennas-provide-extra-boost-for-wireless-m2m-transmissions-2426574.html 18th May 2012