diff --git a/contrib/60-libsigrok.rules b/contrib/60-libsigrok.rules
index e98425b2..ccba6a01 100644
--- a/contrib/60-libsigrok.rules
+++ b/contrib/60-libsigrok.rules
@@ -55,9 +55,6 @@ ATTRS{idVendor}=="16d0", ATTRS{idProduct}=="0498", ENV{ID_SIGROK}="1"
 # Brymen BU-86X adapter (e.g. for Brymen BM867/BM869 and possibly others).
 ATTRS{idVendor}=="0820", ATTRS{idProduct}=="0001", ENV{ID_SIGROK}="1"
 
-# CEM DT-8852
-ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", ENV{ID_SIGROK}="1"
-
 # ChronoVu LA8 (new VID/PID)
 # ChronoVu LA16 (new VID/PID)
 ATTRS{idVendor}=="0403", ATTRS{idProduct}=="8867", ENV{ID_SIGROK}="1"
@@ -251,6 +248,15 @@ ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="608e", ENV{ID_SIGROK}="1"
 # sigrok usb-c-grok
 ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="608f", ENV{ID_SIGROK}="1"
 
+# SiLabs CP210x (USB CDC) and SiLabs CP2110 (USB HID) are generic UART
+# bridges, used (among others) in:
+# CEM DT-8852
+# MASTECH MS5308
+# UNI-T UT612
+# UNI-T UT-D09
+ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", ENV{ID_SIGROK}="1"
+ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea80", ENV{ID_SIGROK}="1"
+
 # Sysclk LWLA1016
 ATTRS{idVendor}=="2961", ATTRS{idProduct}=="6688", ENV{ID_SIGROK}="1"