Authorization Letter

FCC ID: YZZGXW4248

Cover Letter(s)

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FCCID_1930181

                          Grandstream Networks, INC

 Address: 5F, Bldg #1, No.2 Kefa Rd., Science & Technology Park, Shenzhen, China
 Phone: 0755-26014600                         FAX : 0755-26014601




                        AGENCY AUTHORIZATION LETTER


FCC ID:YZZGXW4248                                             Date:21/03/2013


To whom it may concern:

We, the undersigned, hereby authorize ECMG to act on our behalf , as our agent ,in the following
matters related to the FCC approval of our products: report submittal, related correspondence, the
signing of all documents relating to the matters. and any other lawful activity necessary to obtain
such certification. Any act carried out by ECMG within the scope of this authorization shall have
the same effects as our own.

This authorization shall expire 6 months from original date , if you have any question regarding the
authorization , please don’t hesitate to contact us , thank you.




Sincerely,



Document Created: 2013-04-02 14:34:35
Document Modified: 2013-04-02 14:34:35

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