Exhibit 23.1

            Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form
S-8, No. 333-00000) pertaining to the Executive Employment Agreement with John
Stroup of Belden CDT Inc. of our reports dated March 8, 2006, with respect to
the consolidated financial statements and schedule of Belden CDT Inc., Belden
CDT Inc. management's assessment of the effectiveness of internal control over
financial reporting, and the effectiveness of internal control over financial
reporting of Belden CDT Inc., included in its Annual Report (Form 10-K) for the
year ended December 31, 2005, filed with the Securities and Exchange Commission.


                                        /s/ Ernst & Young LLP

St. Louis, Missouri
October 23, 2006