It was very good and organized. Had 5 rounds. You have to be good in system design, wireless protocols, linux, testing and troubleshooting. Not much focos on coding, but still you need some coding skills.

Initial screening ( with HR) 1. Hiring Manager ( Manager's round) 2. Panel round( 4 Interviews) 1. Resume 2. Coding Round 3. Technical based on the team 4. System design/ Resume/theoretical technical discussion