NI USRP Software Defined Radio (SDR) Device Duplex Mode

Updated Jul 23, 2020

Reported In

Hardware

  • USRP-2900
  • USRP-2901
  • USRP-2920
  • USRP-2921
  • USRP-2922
  • USRP-2930
  • USRP-2932
  • USRP-2940
  • USRP-2942
  • USRP-2943
  • WSN-3294
  • USRP-2945
  • USRP-2950
  • USRP-2952
  • USRP-2953
  • USRP-2954
  • USRP-2955

Issue Details

Which USRP devices support full-duplex and which of them support half-duplex?

Solution

NI USRP devices are built up with Ettus Research software defined radio platform devices and RF daughterboards. The mapping between NI USRP and Ettus USRP products is shown in the table below.
 
NI USRPEttus USRP
USRP-2900B200
USRP-2901B210
USRP-2920N210 + WBX
USRP-2921N210 + XCVR 2450
USRP-2922N210 + SBX
USRP-2930N210 + WBX + GPSDO
USRP-2932N210 + SBX + GPSDO
USRP-2940RX310 + WBX (x2)
USRP-2942RX310 + SBX (x2)
USRP-2943RX310 + CBX (x2)
USRP-2944RX310 + UBX (x2)
USRP-2945RX310 + TwinRX (x2)
USRP-2950RX310 + WBX (x2) + GPSDO
USRP-2952RX310 + SBX (x2) + GPSDO
USRP-2953RX310 + CBX (x2) + GPSDO
USRP-2954RX310 + UBX (x2) + GPSDO
USRP-2955RX310 + TwinRX (x2) + GPSDO

Duplex mode supported by each RF daughterboard is shown in the table below:
 
Daughterboard SeriesSupported Duplex Mode
RFXfull-duplex
XCVR 2450half-duplex
WBXfull-duplex
SBXfull-duplex
UBXfull-duplex
TwinRXreceive only


From the tables above, you can see that almost all NI USRP devices support full-duplex except USRP-2921, USRP-2945R and USRP-2955R.