Wrong. What do you mean by 'device'? I can only receive DL bursts for now. As soon as I integrate TDMA scheduler, it will be possible to decode raw bursts to L3 packets and forward them higher layers. What do you mean by 'standard stack'? Some simple applications like ccch_scan already able to tune SDR to required ARFCN and to start burst detection. What for? You can tune to any of surrounding carriers, and test the implementation against the real networks. Moreover you can use RTL-SDR while we don't have TX capabilities. P.S. Please sign in to the baseband-devel mailing lists and CC to baseband-devel(a)lists.osmocom.org because your messages aren't displayed there. With best regards, Vadim Yanitskiy.