FCC ID: X55FP-BTB Titan Tube BTB

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS210923-49580E-RF FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925) LABEL AND LOCATION Page 1 of 1

Astera LED-Technology GmbH Address: Stahlgruberring 36, Munich, 81829 Germany Email: ernst@astera-led.com Tel: +49(0)89215522530 Fax: +49(0)89215522530 Attestation letter 2022-02-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Astera LED-Technology GmbH Have a product Titan Tube BTB Model name: FP1-BTB, FP2-BTB FCC ID: X55FP-BTB The RF chip CC1101, installed in our product, only support 917-922.2MHz frequency range, for the purpose of marketing, other frequencies has been shielded by software. The RF chip nRF51822 installed in our product, supports Bluetooth Low Energy and 2.4GHz SoC, for the purpose of marketing, this chip only supports 2.4GHz RX. The Bluetooth Low Energy and 2.4GHz TX was disabled to use by manufacture used the software, the end user has no capability to activate it. The BT/BLE and Wi-Fi functions of this product are supported by the module ESP32-

WROVER-IE. Sincerely, Signature:

Norbert Ernst Title: General Manager

Astera LED-Technology GmbH Address: Stahlgruberring 36, Munich, 81829 Germany Email: ernst@astera-led.com Tel: +49(0)89215522530 Fax: +49(0)89215522530 Date: 2022-02-08 Product Similarity Declaration FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam, We, Astera LED-Technology GmbH, hereby declare that we have a product named as Titan Tube BTB (Model number: FP1-BTB, FCC ID: X55FP-BTB) was tested by ATC(Shenzhen). Meanwhile, for our marketing purpose, we would like to list a series models (FP2-BTB) on reports and certificate. The difference between the two models is the length, the length of FP1-BTB is 1.035m, and the length of FP2-BTB is 0.55m. In addition, the PCB layout is different, and the schematic of the power circuit is different, other schematics are the same. We confirm that all information above is true, and well be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature:

Norbert Ernst Title: General Manager

Astera LED-Technology GmbH Address: Stahlgruberring 36, Munich, 81829 Germany Email: ernst@astera-led.com Tel: +49(0)89215522530 Fax: +49(0)89215522530 FCC Confidential Authorization Date: 2022-02-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: X55FP-BTB In accordance with Sections 0.457 and 0.459 of the Commissions Rules, Astera LED-

Technology GmbH hereby requests long-term confidential treatment of information accompanying this application as outlined below:

Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature:

Norbert Ernst Title: General Manager

Astera LED-Technology GmbH Address: Stahlgruberring 36, Munich, 81829 Germany Email: ernst@astera-led.com Tel: +49(0)89215522530 Fax: +49(0)89215522530 FCC Authorization Date: 2022-02-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We Astera LED-Technology GmbH, the undersigned, hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely, Signature:

Norbert Ernst Title: General Manager QA-FR-170-B 7/29/2014