1) Simplex – One way Comm. (Radio, TV):
Only Sender can Send Signals / Data to users, user not allowed to send to feedback/response
Example : TV Broadcasting, Live Streaming
2) Duplex – Two Way Comm. ( Half & Full) :
Half Duplex :
Sender and user can Send Signals / Data to users
Sender and users allowed to send to feedback/response one after one , not possible simultaneously
Example : Walkie Talkie
Full Duplex :
Sender and user can Send Signals / Data to users
Sender and users allowed to send to feedback/response simultaneously .
Example : Phone Calls,