POWER OF ATTORNEY

       The undersigned, as a Section 16 reporting person of Quantenna
Communications, Inc. (the "Company"), hereby constitutes and appoints
Sam Heidari, Sean Sobers, Tom MacMitchell, and Arthur Schneiderman,
and each of them, as the undersigned's true and lawful attorney-in-
fact to:

1. complete and execute Forms 3, 4 and 5 and other forms and all
amendments thereto as such attorney-in-fact shall in his discretion
determine to be required or advisable pursuant to Section 16 of the
Securities Exchange Act of 1934 (as amended) (the "Exchange Act") and
the rules and regulations promulgated thereunder, or any successor laws
and regulations, as a consequence of the undersigned's ownership,
acquisition or disposition of securities of the Company; and

2. do all acts necessary in order to file such forms with the Securities
and Exchange Commission (the "SEC"), any securities exchange or national
association, the Company and such other person or agency as the
attorneys-in-fact shall deem appropriate.

	The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be done by virtue hereof.
The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Exchange Act.

   	This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect
to the undersigned's holdings of and transactions in securities issued by
the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the Company and the foregoing attorneys-in-fact.

       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 6th day of June, 2018.


Signature:  /s/ Glenda Dorchak
Print Name: Glenda Dorchak