Exhibit 32.1

RADYNE COMSTREAM INC.

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Radyne ComStream Inc. (the “Company”) on Form 10-K for the year ended December 31, 2004 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

(1)	The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	The information contained in the Report fairly presents, in all material respects, the consolidated financial condition and results of operations of the Company.

/s/ Robert C. Fitting

Robert C. Fitting

Chief Executive Officer

March 11, 2005

/s/ Malcolm C. Persen

Malcolm C. Persen

Chief Financial Officer

March 11, 2005