Exhibit 31.4

CERTIFICATION

I, Ralph S. Marimon, certify that:

1. I have reviewed this Amendment #1 to the Annual Report on Form 10-K/A for the fiscal year ended June 30, 2017, of Aviat Networks, Inc.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date:	October 6, 2017	/s/ Ralph S. Marimon
		Name:	Ralph S. Marimon
		Title:	Senior Vice President and Chief Financial Officer, Principal Financial Officer