I need help with building my EE master course!

Hello guys,

I recently started an ECE master's degree at Purdue University. I got most of the courses set up but not sure about these. Can yall recommend which courses are more useful if I'm planning to go into RF design?

ECE 67800 - Radar Engineering - Elmore Family School of Electrical and Computer Engineering - Purdue University

ECE 60022 - Wireless Communication Networks - Elmore Family School of Electrical and Computer Engineering - Purdue University

Introduction to Computer Communication Networks(Fall)

Digital Signal Processing I (Fall)

Digital Image Processing I (Spring)

Digital Communications (Fall)