Throughout 2018, Sichuan Telecom carried Ka-band manpack antennas of CarrySat series to participate in emergency drills and missions for many times, and has determined Ka-band CarrySat series is one of the vital means of Telecom emergency network backup repair. In November of the same year, Sichuan Telecom took our products to participate in the 2018 Telecom Emergency Communication Drill held in Chongqing, providing Internet TV programs as supplement equipment of emergency network in disaster areas. On the spot, 0.5M manpack antenna was used to watch 4K high-definition video with stable transmission and good effect.