diff --git a/Transceiver52M/UHDDevice.cpp b/Transceiver52M/UHDDevice.cpp
index a84fe4b8..0a640f96 100644
--- a/Transceiver52M/UHDDevice.cpp
+++ b/Transceiver52M/UHDDevice.cpp
@@ -121,6 +121,7 @@ static struct uhd_dev_offset uhd_offsets[] = {
 	{ USRP2, 4, 4, 4.6080e-5, "N2XX 4 SPS" },
 	{ B200,  4, 4, B2XX_TIMING_4_4SPS, "B200 4 SPS" },
 	{ B210,  4, 4, B2XX_TIMING_4_4SPS, "B210 4 SPS" },
+	{ X3XX,  4, 4, 5.6567e-5, "X3XX 4 SPS"},
 	{ UMTRX, 4, 4, 5.1503e-5, "UmTRX 4 SPS" },
 	{ LIMESDR, 4, 4, 16.5/GSMRATE, "STREAM/LimeSDR (4 SPS TX/RX)" },
 };