FCC ID: 2AU29AMPLT40V DC Motor

W1053-15-09 BI-DIRECTIONAL MADE IN PRC 7.28mm 5.15mm 5.5mm 5.2mm 7.2mm 5.5mm 53x33mm DV40AF/S-2*1/28 W1053#

A-00 2022-12-13 W1053-15-09

Antenna Gain Info Manufacturer: Ningbo Dooya Mechanic & Electronic Technology Co., Ltd. Address: No.168 Shengguang Road, Luotuo, Zhenhai, Ningbo 315202 Zhejiang P.R. China Parameter:

Frequency Range (MHz) Bandwidth (KHz) Input Impendence () Feeding Point Antenna Type:

Length V.S.W.R Gain (dBi) 433.05 MHz to 434.79 MHz 100KHz 50 Direct connect mode Line 177.5mm 2.5

<-2dBi

Date:2023-01-11 Confidentiality Letter Subject: Confidentiality Request forFCC ID: 2AU29AMPLT40V and IC ID: 25624-AMPLT40V Pursuant toFCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subjectFCC/ICapplication be held confidential. Type of Confidentiality Requested Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Permanent Permanent Permanent Permanent Permanent Permanent Exhibit Block Diagrams External Photos Internal Photos Operation Description/Theory of Operation Part List/Tune-Up Procedure Schematics Test Setup Photos Users Manual Turnils North America has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality:

The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-

1705. Sincerely, By:

(Signature) Phoenix Lin/Project Manager

(Print name/Title)