--- /dev/null
+<?xml version="1.0"?>
+<!--
+###################################################
+##USRP Probe:
+## This block should not appear in the tree.
+###################################################
+ -->
+<block>
+ <name>USRP Probe</name>
+ <key>usrp_probe</key>
+ <make></make>
+ <param>
+ <name>Unit Number</name>
+ <key>which</key>
+ <value>0</value>
+ <type>int</type>
+ </param>
+ <param>
+ <name>Daughter Board</name>
+ <key>dboard</key>
+ <type>enum</type>
+ <option>
+ <name>RX A</name>
+ <key>rx_a</key>
+ </option>
+ <option>
+ <name>RX B</name>
+ <key>rx_b</key>
+ </option>
+ <option>
+ <name>TX A</name>
+ <key>tx_a</key>
+ </option>
+ <option>
+ <name>TX B</name>
+ <key>tx_b</key>
+ </option>
+ </param>
+ <doc>Press "Probe" to retrieve USRP information...</doc>
+</block>