Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, par value $0.01 per share, of Aviat Networks, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: December 14, 2020	STEEL EXCEL INC.
	By:	/s/ Douglas B. Woodworth
		Douglas B. Woodworth, Treasurer
	STEEL PARTNERS HOLDINGS L.P.
	By:		Steel Partners Holdings GP Inc. General Partner
	By:	/s/ Douglas B. Woodworth
		Douglas B. Woodworth, Chief Financial Officer
	SPH GROUP LLC
	By:		Steel Partners Holdings GP Inc. Managing Member
	By:	/s/ Douglas B. Woodworth
		Douglas B. Woodworth, Chief Financial Officer
	SPH GROUP HOLDINGS LLC
	By:		Steel Partners Holdings GP Inc. Manager
	By:	/s/ Douglas B. Woodworth
		Douglas B. Woodworth, Chief Financial Officer
	STEEL PARTNERS HOLDINGS GP INC.
	By:	/s/ Douglas B. Woodworth
		Douglas B. Woodworth, Chief Financial Officer
	/s/ Kenneth Kong
	Kenneth Kong