NAPAC France About Solutions products Home breadcrumb Companies NAPAC Products RIO GSM RIO GSM 0 Share Share with Facebook Share with Tweeter Share with LinkedIn RIO board (T1 format) to insert into an extension unit. Bi-channel GSM. The same functions as the phone modem integrated into the RIO PHENIX CPU. Transmission of alert SMS towards mobile phone and KERWIN. Powered by the RIO bus. Most popular related searches power transmission Customer reviews No reviews were found for RIO GSM. Be the first to review! Add your review Publish your review Great! review successfully added!