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Reply To: Microwave Transmission

#38419
Imran Sabir
Guest

Hi Md. Nasir Uddin
Higher the capacity lesser is the sensitivity.
Sdh radios are more sensitive than PDH as you can check them by their SENSITIVITY.
Typically PDH has a threshold of -72dbm while those for SDH is in between -67 to -69dbm.
The reason is noise floor of the radio.Due to complex modulation techniques the noise floor is greater in higher capacity radios as a result of which their sensitivity decreases.