Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
UNITED STATES DESIGNATED AGENT LETTER Date: January 26, 2026 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: iApartments Holdings, Inc. Company Name: iApartments Holdings, Inc. Contact Name: Mohammed Syed Contact Name: Mohammed Syed Address: 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States Address: 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States City/Province/Zip: Tempa, FL 33602 City/Province/Zip: Tempa, FL 33602 Telephone: (813)836-7232 Telephone: (813)836-7232 Email: [email protected] Email: [email protected] FRN: 0029081106 FRN: 0029081106 Applicable Equipment: FCC ID: 2AVIHTN410 ATTN: Director of Certification: We, <iApartments Holdings, Inc. > and <iApartments Holdings, Inc.> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < iApartments Holdings, Inc. > and <iApartments Holdings, Inc.> acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant iApartments Holdings, Inc. U.S. designated agent iApartments Holdings, Inc. Name (Printed): Mohammed Syed Name (Printed): Mohammed Syed Title: CTO Title: CTO Signature: Signature:
iApartments Holdings, Inc. Date: 26 January 2026 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attestation Section 2.911(d)(5)(i) and Section 2.911(d)(5)(ii) (KDB 986446 D01 Covered Equipment) Section 2.911(d)(5)(i) iApartments Holdings, Inc. certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The software to be loaded prior to marketing of the equipment identified below is not "covered" software manufactured by any entity including predecessors, successors, parents, subsidiaries, or affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the "Covered List" DA 24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). iApartments Holdings, Inc. further certifies that no Cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software is installed in the equipment being certified. Section 2.911(d)(5)(ii) iApartments Holdings, Inc. certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Type of Equipment subject to FCC Certification: FCC ID: 2AVIHTN410 If you have any questions, please feel free to contact me Contact Person: Mohammed Syed Position in the Company: iApartments Holdings, Inc. Date of Signature: 26 January 2026 Signatory (signature of the applicant)
iApartments Holdings, Inc. Date: January 26, 2026 To: Federal Communications Commission, Authorization & EvaluationDivision,7435 Oakland Mills Road, Columbia, MD21046 To Whom It May Concern: The iApartments Holdings, Inc., the under signed, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the iApartments Holdings, Inc. solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AVIHTN410 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the application shall have the same effect as acts of the iApartments Holdings, Inc. The iApartments Holdings, Inc. 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. Section862. Yours Sincerely, Signature: Print name: Mohammed Syed Title: CTO Email: [email protected] Tel: (813)836-7232 iApartments Holdings, Inc.
iApartments Holdings, Inc. Date: January 26, 2026 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: iApartments Holdings, Inc. FCC ID: 2AVIHTN410 FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. iApartments Holdings, Inc. requests that the following documents regarding this submission for FCC ID: 2AVIHTN410 be kept Long-Term confidential: Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdf Operational Description Operational Description.pdf And below exhibit kept short-term confidential (180 days): Exhibit Type File Name External Photos External Photo.pdf Internal Photos Internal Photo.pdf Test Setup Photos Test Setup Photos.pdf Users Manuals Users Manual.pdf Those documents contain detailed system and equipment description and related information about the product which iApartments Holdings, Inc. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, iApartments Holdings, Inc. considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Thank you for your attention to this matter. Yours Sincerely, Signature: Print name: Mohammed Syed Title: CTO Email: [email protected] Tel: (813)836-7232 iApartments Holdings, Inc.
Statement WeiApartmentsHoldings,IncDeclarethat Thehostmodelname:iApartmentsThermostatHubGen2,usesmanufactured bySeriesModel:ESP32-S3-WROOM-1U(FCCID:2AC7Z-ESPS3WROOM1U) module,theWiFi&BTmoudlehavenotanychangeinthehostcomparewith orginalgrant.Sothehosttestradiatedparttomeetthecompliance,verifythat theconductedpowerislowerthanthemodulepower,andotherdatareferto themoudle. Signature: MohammedSyed iApartmentsHoldings,Inc.
Report No.: BL-SH25B1301-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 1 / 13 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China TEST REPORT Applicant: iApartments Holdings, Inc. Address: 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States Equipment Type: iApartments Thermostat Hub Gen2 Model Name: TN41024WH Brand Name: iApartments FCC ID: 2AVIHTN410 Test Standard: 47 CFR Part 2.1091 KDB 447498 D04 v01 Sample Arrival Date N/A Test Date: N/A Date of Issue: Jan. 28, 2026 ISSUED BY: Shanghai Tejet Communications Technology Co., Ltd. Testing Center. Prepared by: Huang Xiaoqin Reviewed by: Cai Xueguo Approved by: Zhang Yanqing (Laboratory Manager) _______________ _______________ _______________ Report No.: BL-SH25B1301-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 13 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Content Rev. 01 Jan. 28, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ....................................................................................................... 3 1.1 Test Laboratory .......................................................................................................... 3 1.2 Test Location .............................................................................................................. 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information ................................................................................................. 4 2.2 Manufacturer Information .......................................................................................... 4 2.3 General Description for Equipment under Test (EUT) ............................................. 4 2.4 Technical Information ................................................................................................ 4 3 SUMMARY OF TEST RESULT ................................................................................................. 6 3.1 Test Standards ............................................................................................................ 6 4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................ 7 5 ASSESSMENT RESULT ........................................................................................................... 9 5.1 Output Power .............................................................................................................. 9 5.2 Tune-up power .......................................................................................................... 10 5.3 RF Exposure Evaluation Result ............................................................................... 11 5.4 Collocated Power Density Calculation .................................................................... 11 5.5 Conclusion ................................................................................................................ 12 Report No.: BL-SH25B1301-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 13 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Address 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1.2 Test Location Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Location 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1352. The laboratory has been listed by Industry Canada to perform electromagnetic emission measurements. The recognition numbers of test site are 29671. Report No.: BL-SH25B1301-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 4 / 13 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant iApartments Holdings, Inc. Address 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States 2.2 Manufacturer Information Manufacturer iApartments Holdings, Inc. Address 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States 2.3 General Description for Equipment under Test (EUT) EUT Name iApartments Thermostat Hub Gen2 Model Name Under Test TN41024WH Series Model Name N/A Description of Model name differentiation N/A Hardware Version v4.1.0 Software Version v1.0.0 Dimensions (Approx.) N/A Weight (Approx.) N/A 2.4 Technical Information Network and Wireless connectivity 3G Network WCDMA Band 2/4/5 4G Network LTE FDD Band 2/4/5/12/13/25/26 BLE:1M&2M Z-Wave 868 MHz/908.4MHz/916MHz/912MHz 2.4GWIFI802.11b,802.11g,802.11n(HT20/40) The requirement for the following technical information of the EUT was tested in this report: Operating Mode WCDMA,LTE, 2.4G WIFI, BLE Frequency Range WCDMA Band 2 TX: 1850 ~ 1910 MHz RX: 1930 ~ 1990 MHz WCDMA Band 4 TX: 1710 ~ 1755 MHz RX: 2110 ~ 2155 MHz WCDMA Band 5 TX: 824 ~ 849 MHz RX: 869 ~ 894 MHz LTE Band 2 TX: 1850 ~ 1910 MHz RX: 1930 ~ 1990 MHz LTE Band 4 TX: 1710 ~ 1755 MHz RX: 2110 ~ 2155 MHz LTE Band 5 TX: 824 ~ 849 MHz RX: 869 ~ 894 MHz LTE Band 12 TX: 699 ~ 716 MHz RX: 729 ~ 746 MHz LTE Band 13 TX: 777 ~ 787 MHz RX: 746 ~ 756 MHz LTE Band 25 TX: 1850 ~ 1915 MHz RX: 1930 ~ 1995 MHz Report No.: BL-SH25B1301-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 5 / 13 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2…
Text truncated - open the document above for the full version.
QDM075 Antenna Performance Report V4.0 RF: Damon Zhang E-mail: D a m o n. Z h a n g @ q u e c t e l . c o m 2th Dec.2025 December 3, 2025 2 VersionDateAuthorNote 1.02023-12-04Damon ZhangQDM075 Antenna Debug Report 2.02023-12-06Damon ZhangUpdated antenna OTA testing 3.02025-11-14Damon ZhangDVT Antenna Test Report 4.02025-12-02Damon ZhangDVT Antenna Test Report RevisionHistory December 3, 2025 3 Project Overview-QDM075 ◼Project Name: QDM075 ◼Device Dimensions: 152.4mm*101.9mm*26.6mm Mainboard Dimensions: 140.5mm*90.6mm*1.6mm ◼Antenna Number: 4 ◼Antenna Network Type & Frequency Band: •LTE-Main*1 :617-960MHz&1710-2690MHz •LTE-Div*1 :617-960MHz&1710-2690MHz •WIFI*1: 2400-2500MHz •SUB-GHZ*1:868.4-916MHz ◼Module No:EG91-NAXD December 3, 2025 Antenna Placement ANT-LTE Main ANT-LTE Div ANT-Sub-GHz ANT-WIFI December 3, 2025 5 Passive Test—LTE Main Max Gain:3.2 dBi(2350MHz) December 3, 2025 6 Passive Test—LTE Main 630 MHz830 MHz900 MHz December 3, 2025 7 Passive Test—LTE Main 1740 MHz2140 MHz2600 MHz December 3, 2025 8 Passive Test—LTE Div Max Gain:3.8 dBi(2170MHz) December 3, 2025 9 Passive Test—LTE Div 630 MHz830 MHz900 MHz December 3, 2025 10 Passive Test—LTE Div 1740 MHz2140 MHz2600 MHz December 3, 2025 11 Passive Test--WIFI Max Gain:3.1 dBi(2500MHz) December 3, 2025 12 Passive Test—Wi-Fi 2400 MHz2450 MHz2500 MHz December 3, 2025 13 Passive Test--Sub-GHz Max Gain:1.5 dBi(900MHz) December 3, 2025 14 Passive Test—Wi-Fi 900 MHz December 3, 2025 15 Passive Test •DUT I n Cham ber Z X Y O H Plane : XY E1 Plane : XZ E2 Plane : YZ December 3, 2025 Conclusion ➢A n t e n n a P e r f o r m a n c e •LT E M a i n L o w f r e q u e n c y 6 1 7-9 6 0 M H z e f f i c i e n c y > 2 3 % ; H i g h f r e q u e n c y 1 7 0 0-2 7 0 0 M H z e f f i c i e n c y > 4 7 % ; T h e m a i n a n t e n n a h a s e x c e l l e n t p a s s i v e p e r f o r m a n c e ; •LT E D i v L o w f r e q u e n c y 6 1 7-9 6 0 M H z e f f i c i e n c y > 1 0 % ; H i g h f r e q u e n c y 1 7 0 0-2 7 0 0 M H z e f f i c i e n c y > 4 6 % ; •S u b-G H z : 868.4-916MHz efficiency >60%; •W I F I: 2400-2 5 0 0 M H z e f f i c i e n c y > 4 5 % ; December 3, 2025 Thank you! 17 IKOTEK CONFIDENTIAL
Report No.: BL-SH25B1301-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 1 / 45 Web: www.titcgroup.com Template No.: TRP6-EC-09 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China TEST REPORT Applicant: iApartments Holdings, Inc. Address: 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States Equipment Type: iApartments Thermostat Hub Gen2 Model Name: TN41024WH Brand Name: iApartments FCC ID: 2AVIHTN410 Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Nov. 19, 2025 Test Date: Nov. 30, 2025 - Dec. 04, 2025 Date of Issue: Jan. 28, 2026 ISSUED BY: Shanghai Tejet Communications Technology Co., Ltd. Testing Center Prepared by: Zhang Rujie Reviewed by: Hai Su Approved by: Zhang Yanqing (Laboratory Manager) _______________ _______________ _______________ Report No.: BL-SH25B1301-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 45 Web: www.titcgroup.com Template No.: TRP6-EC-09 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Rev. 01 Jan. 28, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 8 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 9 4.1 Test Environments ........................................................................................................ 9 4.2 Test Equipment List ...................................................................................................... 9 4.3 Test Software List ......................................................................................................... 9 4.4 Measurement Uncertainty ........................................................................................... 10 4.5 Decision Rule ............................................................................................................. 10 4.6 Description of Test Setup ........................................................................................... 11 4.7 Measurement Results Explanation Example ............................................................... 14 5 TEST ITEMS ........................................................................................................................... 15 5.1 Antenna Requirements ............................................................................................... 15 5.2 Output Power ............................................................................................................. 16 5.3 Occupied Bandwidth ................................................................................................... 17 5.4 Conducted Spurious Emission .................................................................................... 18 5.5 Band Edge (Authorized-band band-edge) ................................................................... 20 Report No.: BL-SH25B1301-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 45 Web: www.titcgroup.com Template No.: TRP6-EC-09 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 5.6 Conducted Emission ................................................................................................... 21 5.7 Radiated Spurious Emission ....................................................................................... 22 5.8 Band Edge (Restricted-band band-edge) .................................................................... 26 5.9 Power Spectral density (PSD) .................................................................................... 27 ANNEX A TEST RESULT ........................................................................................................... 28 A.1 Output Power, Duty Cycle .......................................................................................... 28 A.2 Occupied Bandwidth ................................................................................................... 32 A.3 Conducted Spurious Emission .................................................................................... 32 A.4 Band Edge (Authorized-band band-edge) ................................................................... 32 A.5 Conducted Emission ................................................................................................... 32 A.6 Radiated Spurious Emission ....................................................................................... 33 A.7 Band Edge (Restricted-band band-edge) .........................…
Text truncated - open the document above for the full version.
Report No.: BL-SH25B1301-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 1 / 52 Web: www.titcgroup.com Template No.: TRP6-EC-10 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China TEST REPORT Applicant: iApartments Holdings, Inc. Address: 201 E. Kennedy Blvd Suite 1925 Tampa, FL 33602 United States Equipment Type: iApartments Thermostat Hub Gen2 Model Name: TN41024WH Brand Name: iApartments FCC ID: 2AVIHTN410 Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Nov. 29, 2025 Test Date: Nov. 30, 2025 - Dec. 04, 2025 Date of Issue: Jan. 28, 2026 ISSUED BY: Shanghai Tejet Communications Technology Co., Ltd. Testing Center Prepared by: Zhang Rujie Reviewed by: Hai Su Approved by: Zhang Yanqing (Laboratory Manager) _______________ _______________ _______________ Report No.: BL-SH25B1301-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 52 Web: www.titcgroup.com Template No.: TRP6-EC-10 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Rev. 01 Jan. 28, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 8 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 9 4.1 Test Environments ........................................................................................................ 9 4.2 Test Equipment List ...................................................................................................... 9 4.3 Test Software List ......................................................................................................... 9 4.4 Measurement Uncertainty ........................................................................................... 10 4.5 Decision Rule ............................................................................................................. 10 4.6 Description of Test Setup ........................................................................................... 11 4.7 Measurement Results Explanation Example ............................................................... 14 5 TEST ITEMS ........................................................................................................................... 15 5.1 Antenna Requirements ............................................................................................... 15 5.2 Output Power ............................................................................................................. 16 5.3 Occupied Bandwidth ................................................................................................... 18 5.4 Conducted Spurious Emission .................................................................................... 19 5.5 Band Edge (Authorized-band band-edge) ................................................................... 21 Report No.: BL-SH25B1301-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 52 Web: www.titcgroup.com Template No.: TRP6-EC-10 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 5.6 Conducted Emission ................................................................................................... 23 5.7 Radiated Spurious Emission ....................................................................................... 24 5.8 Band Edge (Restricted-band band-edge) .................................................................... 28 5.9 Power Spectral density (PSD) .................................................................................... 29 ANNEX A TEST RESULT ........................................................................................................... 30 A.1 Output Power ............................................................................................................. 30 A.2 Occupied Bandwidth ................................................................................................... 31 A.3 Conducted Spurious Emission .................................................................................... 31 A.4 Band Edge (Authorized-band band-edge) ................................................................... 31 A.5 Conducted Emission ................................................................................................... 31 A.6 Radiated Emission ...................................................................................................... 32 A.7 Band Edge (Restricted-band band-edge) ............…
Text truncated - open the document above for the full version.
201 E. Kennedy Blvd Suite 1925 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 8.70 mW |
| 2 | 15C | 2.41 GHz - 2.46 GHz | 150.00 mW |