UDP Sink gr_udp_sink from gnuradio import gr gr.udp_sink($type.size*$vlen, $ipaddr, $port, $psize, $eof) set_mtu($mtu) Input Type type enum Destination IP Address ipaddr string Destination Port port int Payload Size psize 1472 int Send Null Pkt as EOF eof True bool Vec Length vlen 1 int $vlen > 0 in $type $vlen