Frequency translation / conversion and Digital communications

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abudamis
Posts: 2
Joined: Tue Jun 12, 2018 8:50 pm

Frequency translation / conversion and Digital communications

Post by abudamis » Tue Jun 12, 2018 8:57 pm

Hello all,

I am using a USRP and GNU radio to receive a signal at 915 MHz and re-transmit the signal at 433 MHz. the signal is a digital communications one, so packets are involved. my questions are as follows:

1- does any one have any experience doing frequency conversion for digital communications?
2- When using the GMSK mod block, why is there no option to choose or type in the desired carrier frequency?

Thank you

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