-#undef AO_GPS_4800
-
-#ifdef AO_GPS_4800
-static const char ao_gps_set_nmea[] = "\r\n$PSRF100,0,57600,8,1,0*37\r\n\r\n";
-#else
-static const char ao_gps_set_nmea[] = "\r\n$PSRF100,0,4800,8,1,0*0F\r\n\r\n";
-#endif
+static const char ao_gps_set_nmea[] = "\r\n$PSRF100,0,57600,8,1,0*37\r\n";