FCC ID: 2A4SS-PORTAL-A Gateway

reasonable frequency harmful FCC Warnning:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide protection againstharmful interference in a residential installation. This equipment generates, energy uses and can radiateradio and, maycause interference the thatinterference occur is equipment cause determined by turning the equipmentoff interference Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is harmfulinterference to radio or television reception, which can be user in communications. installation. instructions, guarantee does accordance However, this If not and thefollowing measures:

with there radio a if to in encouraged one particular installed correct more used and will not the on, try no by or to to of is the connected. Consult the dealer or an experienced radio/TV technician for help. Caution:

could void your authority to operate this equipment. modications changes Any this or to device not explicitly approved by manufacturer with complies device This conditions:

(1)This device interference received, including interference that may cause undesired operation. interference, Operation harmful subject device Rules. cause may part and FCC this not the

(2) 15 to of is the following two must accept any FCC should radiation be installed exposure and limits operated forth for an minimum uncontrolled 20cm distance set with This with complies equipment equipment This environment. between the radiator and your body.

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-5-17>

Pursuant to Paragraphs 0.457 and 0.459 of the Commission's Rules (47 C.F.R.) and Section 552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products:

FCC ID Model name 2A4SS-PORTAL-A Portal A For the product stated above, we request that the following information be held confidential;

Long-Term Short-Term Short-Term Exhibits Confidentiality Confidentiality Confidentiality Days External Photos Internal Photos Block Diagram xX Schematics Xx Test Setup Photos Users Manual Parts List Tune Up Operational Descriptions Xl The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, x AN Gb UW Name/Title: YANGE LIN/Business Executive Company: Polyhex Technology Company Limited Address: 5/F., East Zone, Shunheda A2 Building, Liuxiandong Industrial Park, Xili, Nanshan Dist. Shenzhen China Phone: 15602672358 Fax: N/A E-Mail: alice@polyhex.net

Polyhex Technology Company Limited 5/F., East Zone, Shunheda A2 Building, Liuxiandong Industrial Park, Xili, Nanshan Dist. Shenzhen China Date: 2022-5-17 FCC ID: 2A4SS-PORTAL-A Model Number: Portal A To:

Federal Communications Commission. Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Polyhex Technology Company Limited, declare that this EUT (FCC ID: 2A4SS-PORTAL-A) doesnt have Ad Hoc mode function on non-US/Canada frequencies. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, x AN ob UN Name/Title: YANGE _LIN/Business Executive Company: Polyhex Technology Company Limited Address: 5/F., East Zone, Shunheda A2 Building, Liuxiandong Industrial Park, Xili, Nanshan Dist. Shenzhen China Phone: 15602672358 Fax: N/A E-Mail: alice@polyhex.net

Polyhex Technology Company Limited 5/F., East Zone, Shunheda A2 Building, Liuxiandong Industrial Park, Xili, Nanshan Dist. Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2022-5-17 To whom it may concern:

We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A4SS-PORTAL-A including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins current valid General Terms and Conditions

(AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, x ANG bw Name/Title: YANGE LIN/Business Executive Company: Polyhex Technology Company Limited Address: 5/F., East Zone, Shunheda A2 Building, Liuxiandong Industrial Park, Xili, Nanshan Dist. Shenzhen China Phone: 15602672358 Fax: N/A E-Mail: alice@polyhex.net