2AUCLLD-1000-1Router

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ƩɋǠɫƌɋƷژɲȏɓȵژkǠȄɱưȏɋِ The Linxdot Hotspot top LED will light up blue once it’s powered up. There is no pairing button on the Linxdot Hotspot. Pairing is automatically enabled for 5 minutes after the Linxdot Hotspot is powered on. °ƷǹƷƩɋژɋǚƷژ kǠȄɱưȏɋژkȏ ̈ƌژ OȏɋȽȲȏɋ ǑȵȏȂژɋǚƷژǹǠȽɋِ
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FX Technology Limited Date: 2021-07-21 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Long Term Confidentiality FCC ID: 2AUCLLD-1000-1 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Liangchen Chen Title: Managing Director

FX Technology Limited 2 Stone Buildings Lincoln's Inn, London WC2A 3TH, United Kingdom Agent Authorization Company: FX Technology Limited Address: 2 Stone Buildings Lincoln's Inn, London WC2A 3TH, United Kingdom Product Name: Router Model Number(s): LD-1000 Product Description: Router We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Date: 2021-07-21 Signature: Name: Liangchen Chen Title: Managing Director Company: FX Technology Limited

Page 1 of 5 Appendix B: Photographs of EUT Product: Router Model: LD-1000 External Photos Page 2 of 5 Antenna Page 3 of 5 Page 4 of 5 Page 5 of 5

Label Artwork and Location Model: LD-1000 Label: Size: L*W= 65*18mm Label Location

Page 1 of 11 Appendix B: Photographs of EUT Product: Router Model: LD-1000 Internal Photos Page 2 of 11 Page 3 of 11 Page 4 of 11 Page 5 of 11 Page 6 of 11 Page 7 of 11 Page 8 of 11 Page 9 of 11 Page 10 of 11 Page 11 of 11

Maximum Permissible Exposure Applicable Standard According to §1.1307(b), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. Remark: 1) 125KHz: The maximum output power for antenna is 19.65dBm (92.26mW) at 902.3MHz, 3dBi antenna gain(with 2.00 numeric antenna gain.) 500KHz: The maximum output power for antenna is 26.80dBm (478.63mW) at 923.3MHz, 3dBi antenna gain(with 2.00 numeric antenna gain.) 2) For mobile or fixed location transmitters, no SAR consideration applied. The minimum separation generally be used is at least 20cm, even if the calculation indicate that the MPE distance would be lesser. Substituting the MPE safe distance using d=20cm into above equation. Yields: S=0.000199*P*G Mode Power(mW) numeric antenna gain Power density (mW/cm 2 ) Limit (mW/cm 2 ) Result 125KHz(DSS) 92.26 2.00 0.036719 1.0 PASS 500KHz(DTS) 478.63 2.00 0.190495

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AUCLLD-1000-1 Test Report No. ............... : TCT210706E034 Date of issue ................... : Jul. 16, 2021 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: TCT Testing Industrial Park Fuqiao 5th Industrial Zone, Fuhai Street, Bao'an District Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : FX Technology Limited Address ........................... : 2 Stone Buildings, Lincoln's Inn, London WC2A 3TH, United Kingdom Manufacturer's name ... : Shenzhen Eternity Technology Co., Ltd Address ........................... : Building A2, YingZhan Industrial Park, LongTian Street, PingShan, ShenZhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Test item description ..... : Router Trade Mark ...................... : Linxdot Model/Type reference..... : LD-1000 Rating(s).......................... : Adapter Information: Model: TPQ-233A120100UW01 Input: AC 100-240V, 50/60Hz, 0.4A Output: DC 12.0V, 1.0A Date of receipt of test item ......................................... : Jul. 06, 2021 Date (s) of performance of test ................................... : See dates for each test case Tested by (+signature) ... : Brave Zeng Check by (+signature) .... : Beryl Zhao Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT210706E034 Page 2 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 4 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 6 4. Facilities and Accreditations .................................................................. 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 4.3. Measurement Uncertainty ..................................................................................... 7 5. Test Results and Measurement Data ..................................................... 8 5.1. Antenna requirement ............................................................................................ 8 5.2. Conducted Emission ............................................................................................. 9 5.3. Conducted Output Power ................................................................................... 13 5.4. Occupy Bandwidth .............................................................................................. 16 5.5. Carrier Frequencies Separation ......................................................................... 19 5.6. Hopping Channel Number .................................................................................. 22 5.7. Dwell Time ............................................................................................................ 25 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 28 5.9. Conducted Band Edge Measurement ................................................................ 29 5.10.Conducted Spurious Emission Measurement .................................................. 31 5.11.Radiated Spurious Emission Measurement ..................................................... 33 Appendix A: Photographs of Test Setup Appendix B: Photographs of EUT Report No.: TCT210706E034 Page 3 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Test item description ........... : Router Model/Type reference........... : LD-1000 Sample Number....................: TCT210706E034-0101 Operation Frequency ........... : 125KHz: 902.3MHz~914.9MHz Number of Channel .............. : 64 for FHSS Modulation Type ................... : LoRa Modulation Technology ....... : Hybrid system Antenna Type ........................ : External Antenna Antenna Gain ........................ : 3dBi Rating(s)................................ : Adapter Information: Model: TPQ-233A120100UW01 Input: AC 100-240V, 50/60Hz, 0.4A Output: DC 12.0V, 1.0A Remark .................................. : / Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT210706E034 Page 4 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1.3. Operation Frequency 125KHz for FHSS Channel Frequency Channel Frequency Channel Frequency …

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Report No.: TCT210706E034 Page 54 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 55 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 56 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 57 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 58 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 59 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT210706E034 Page 60 of 60 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com *****END OF REPORT*****

Page 1 of 2 Appendix A: Photographs of Test Setup Product: Router Model: LD-1000 Radiated Emission Page 2 of 2 Conducted Emission