You don’t need equipment to see channels of Eritrea in trouble! (4,2,3)

I believe the answer is:

free to air

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'you don't need equipment to see channels' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'of eritrea in trouble' is the wordplay.
'in trouble' indicates an anagram.
'of'+'eritrea'='oferitrea'
'oferitrea' anagrammed gives 'FREE TO AIR'.

Can you help me to learn more?

(Other definitions for free to air that I've seen before include "sort of programming" , "certain broadcasts" .)

I've seen this clue in The Hindu.

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