Just create a 2-channel USRP source and specify a subdev of “A:0 B:0”. 



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> On Feb 18, 2021, at 7:38 PM, Xiang Ma via USRP-users 
> <[email protected]> wrote:
> 
> 
> Hi,
> 
>     I am using a x310 USRP with two UBX daughterboards. Now I can transmit 
> and receive the signal in RF A daughterboard with command
>     self.source.set_antenna("RX2", 0)
>     self.sink.set_antenna("TX/RX", 0).
> 
>     Now, I want to transmit the signal in RF A, and receive the signal in 
> both RF A and RF B. It is actually 1 transmitter and 2 receivers. How can I 
> implement this? I checked the set_subdev_subdev("B", 1), but it doesn't work.
> 
> Thank you,
> 
> 
> 
> 
> -- 
> Xiang Ma, Ph.D. Student
> College of Engineering
> Utah State University
> E-mail:[email protected]
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