Exhibit 16.

Grant Thornton LLP

January 7, 1999


Securities and Exchange Commission
Washington, D.C. 20549

Re:      Metro-Tel Corp.
         File No. 0-9040
         ---------------

Dear Sir or Madam:

We have read Item 4 of the Form 8-K of Metro-Tel Corp. dated January 4, 1999. We
agree with the statements made in Item 4 relative to our Firm,  however,  we are
unable to  comment  on the  extent  of any  discussions  that may have  occurred
between Metro-Tel Corp. and BDO Seidman, LLP.

Very truly yours,


/s/ Grant Thornton LLP