... mode early warning system option, avoid unnecessary interference and ensure ultra low false alarm rate in urban area6. Audio announcement plus ... English Voice Version option. Other language can be customized13. Nine-wide-band frequency reception: X, K, Ku, Ka1, Ka2, Ka3, VG-2 ... ± 36.0GHZ New Ka band: 36.0 GHZ ± 100MHZ VG-2: 11.02GHz ± 100MHZ LASER: 904nm Europe ultra-Ku band Light Sensor (BY ...