Radio is not required, it’s expensive
Also I think Sender is better than Juchacz
In terms of demographics this is what each looks like in Jan 28'
Base: 60-5-6-11-23-17
Sender: 61-10-6-11-23-17
Juchacz: 61-5-8-13-23-17
Both will get you up to 30% so I'm not sure which goes further.