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It can quickly become a cacophony, even in the hertzian area. Broadcasting is not an efficient way to communicates.
 
It can quickly become a cacophony, even in the hertzian area. Broadcasting is not an efficient way to communicates.
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[[Fichier:COMMON-CANSAT-RFM69HCW-broadcast.png|512px]]
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[[Fichier:COMMON-CANSAT-RFM69HCW-broadcast.png|480px]]
    
{{underline|When to use broadcasting?}}
 
{{underline|When to use broadcasting?}}
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* When there are max 2 persons/devices involved in the exchange
 
* When there are max 2 persons/devices involved in the exchange
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=== What is mesh network? ===
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=== What is a Mesh network? ===
 
Considering everybody using the same frequency and same encryption key are all on the same place:
 
Considering everybody using the same frequency and same encryption key are all on the same place:
 
* Mesh network is like everybody is using a mobile phone to contact the remittee/recipient.
 
* Mesh network is like everybody is using a mobile phone to contact the remittee/recipient.
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* The exchange/dialog/conversation is strictly private.
 
* The exchange/dialog/conversation is strictly private.
 
* Several conversations can occurs at the same time without disturbing each other.
 
* Several conversations can occurs at the same time without disturbing each other.
* Anyone is still able to received a boardcast message.  
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* Anyone is still able to received a broadcast message.  
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{{ambox|text=A mesh network is more than that! It can also use an intermediate node to contact a more distant contact.}}
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[[Fichier:COMMON-CANSAT-RFM69HCW-mesh.png|512px]]
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[[Fichier:COMMON-CANSAT-RFM69HCW-mesh.png|480px]]
    
{{underline|When to use mesh network?}}
 
{{underline|When to use mesh network?}}
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