PhysicsEasy79×since 2003Q6330In satellite communication, the uplink frequency band used is :A3.7−4.2 GHz3.7-4.2 \mathrm{~GHz}3.7−4.2 GHzB5.925−6.425 GHz5.925-6.425 \mathrm{~GHz}5.925−6.425 GHzC76−88 MHz76-88 \mathrm{~MHz}76−88 MHzD420−890 MHz420-890 \mathrm{~MHz}420−890 MHzCheck answerSkip