2AAA9-RA621EXSmart Access Point

Doc No.: PRDT-0059 Version:1.0 Date: 2023-06-24 Copyright © Relay2, Inc. 2023. All rights reserved. Hardware Installation Guide Relay2 RA621EX - Smart Access Point Relay2 RA621EX Smart Access Point Hardware Installation Guide PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 1 Trademarks: Relay2 logo is a trademark of Relay2, Inc. of US. Company Headquarters: 1525 McCarthy Blvd. #209, Milpitas, CA 95035, USA www.relay2.com Phone: +1 408-380-0031 Product Overview: The RA600 family is a cloud-managed Service-Ready Access Point (SR-AP) offering edge computing and storage capabilities with high-performance wireless access point integrated. It enables businesses to deliver superior venue experiences, enhance business operations, and create competitive advantages. The RA600 family consists of various models, including RA621EX to support various capacity and deployment needs. For more information about the RA600 family, refer to www.relay2.com. Relay2 RA621EX Smart Access Point Hardware Installation Guide PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 2 Opening the Package • Please ensure that all ordered optional accessories are included in separate accessory box. • Please check the packaging list first. If there are any missing or broken parts, please contact the authorized distributor of Relay2, Inc. Safety • Read the Quick Installation Guide carefully before installation and power up. • To avoid over-heating, make sure the AP allows for proper heat dissipation and leave enough room for air circulation. • Do not directly touch the bottom of AP to avoid scalding. When the AP is in operation, depending on the environment temperatures, the surface temperature of back cover might get hot. • Any unauthorized modification of the product structure and safety design is not allowed. Before you start • Before installation, signal detecting test can be used to determine the best installation position. • Keep your body at least 20cm away from the AP during installation and operation. • Install the AP at least 1M distance from any metal obstructions to avoid radio signal affected by metal shielding. • To avoid radio interference, keep the device away from magnets or magnetic fields, ie: do not place near microwave, refrigerator ...etc. Power Source Options • The RA621EX access point can be powered by using the external Relay2 AC Adapter, PoE Injector (both sold separately), or a third-party PoE+ switch. Warranty • Please provide the device model, MAC address and serial number shown on the tag of the side panel. • The warranty does not cover product that has been opened without authorization from Relay2 Inc. • Reasonable repair and shipping cost will be charged for product fault or damage caused by using non-Relay2 accessories or improper operation. PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 3 Relay2 RA621EX Smart Access Point Hardware Installation Guide Package Content – RA621EX Access Point Wall-Mount Kit M3.5 screws and anchors for masonry PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 4 Relay2 RA621EX Smart Access Point Hardware Installation Guide AP Overview: Interfaces: LED Indicators: PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 5 Relay2 RA621EX Smart Access Point Hardware Installation Guide Wall Mount the AP • Determine where the AP is to be placed and mark location on the surface for the two mounting holes. You may adjust the position with a level. • Use the appropriate drill bit to drill two 4mm wide and 37mm deep holes and insert the screw anchors into the openings. Fasten the mounting plate with provided screws. • Slide the AP into the wall mounting plate. Verify RA621EX Functionality First check if the status LED is solid green. During first boot, it is highly likely that the AP is automatically updating its firmware, indicated by an amber blinking status LED. The status LED should turn solid green after the upgrade process has finished (normally within a few minutes). See LED indicator table below for more details. PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 6 Relay2 RA621EX Smart Access Point Hardware Installation Guide Verify access point connectivity – use any 802.11 client device to connect to the RA621EX AP and verify network connectivity using the client device web browser by going to a well-known web page. Check network coverage and confirm good signal strength in the desired coverage area. States AP Status LED Display State 1: Power On Green solid Off Off Link status State 2: R2OS starting Green solid Green solid for 10s Green solid for 10s Link status State 3: R2OS initializing Green solid Green slow blinking Green slow blinking Link status control State 4: Radio up and ready Green solid Green solid Green solid PHY control State 5: SCM connecting Green solid n/a n/a PHY control State 6: CWCL connecting Green solid n/a n/a PHY control State 7: AP up and running Green solid n/a n/a PHY control State 8: AP Image upgrade Green solid n/a n/a PHY control State 9: AP Radio down Green solid Green solid on/off Green solid on/off PHY control Table 1 RA621EX LED booting states PRDT-0059 © Relay2, Inc. 2023. All rights reserved. 7 Relay2 RA621EX Smart Access Point Hardware Installation Guide FCC Disclaimer § 15.19 Labelling requirements. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. § 15.21 Information to user. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. § 15.105 Information to the user. Note: 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 reasonable protection against harmful interference in a residential …

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1/1 US Agent for Service of ProcessLETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Relay2, Inc. FRN: 0022615454 Contact Name: Lucas CHEN Address:1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Telephone No: 408-3800031 Email: [email protected] Applicant: Company name: Relay2, Inc. Product Description: Smart Access Point Grantee code: 2AAA9 FCC ID: 2AAA9-RA621EX Contact Name: Lucas CHEN Address: 1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Telephone No: 408-3800031 Email: [email protected] [Relay2, Inc.]certifies that, as of the date of this filing of the application with the TCB, [Relay2, Inc.] is our designated US agent for service of process for the above referenced FCC ID. [Relay2, Inc.]accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [Relay2, Inc.]accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicantis aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. 1/1 Date: 08/09/2023 Applicant’s Name:Lucas CHEN US Agent’s Name:Lucas CHEN Title:Hardware Director Title:Hardware Director Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Relay2, Inc. Grantee code: 2AAA9 FCC ID: 2AAA9-RA621EX Contact Name: Lucas CHEN Address: 1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Telephone No: 408-3800031 Fax No: 408-5188139 Email: [email protected] i. [Relay2, Inc.] (“the applicant”) 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 applicant must sign this certification. ii. [Relay2, Inc.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. Theapplicantmustsignthiscertification. Relay2, Inc. dcertifies that, as of the date of the filing of theapplication, the applicant is notidentified on the Covered List as an entity producing “covered”equipment. Date: 08/09/2023 Applicant’s Name:Lucas CHEN Title:Hardware Director Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

C5266091_X8_Ed.1 1/1 Letter of Authorization <Relay2, Inc.> Company:Relay2, Inc. Address: 1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Product Name:Smart Access Point Model Number: RA621EX FCC Identifier: 2AAA9-RA621EX We authorize LGAI Technological Center S.A., Ronda de la Font delCarme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Lucas CHEN Date: 08/09/2023 Title: manager Signature of applicant:

C5266091_X10_Ed.2 1/1 <Relay2, Inc.> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046Date: 08/09/2023 Subject: Request for Confidentiality FCC ID: 2AAA9-RA621EX To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No Block Diagram ☐ Schematics ☐ Test Report No No Test Setup Photos No User’s Manual ☐ NOT E 1 Internal Photos ☐ NOT E 1 Parts List / Tune Up / BOM List ☐ RF Exposure Info No No Operational Description ☐ Cover Letter(s) No No SOFTWARE SECURITY REQUIREMENTS FOR U- NII DEVICES No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of _180_ days from the date of the Grant of Equipment Authorization and prior to marketing. C5266091_X10_Ed.2 1/1 It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Lucas CHEN Title: Hardware Director

FCC Software Configuration Control Declaration Rev1.1 Relay2, Inc. FCC Software Configuration Control Declaration Date: 9/8/2023 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Product/ Model Number: Smart Access Point / RA621EX FCC ID: 2AAA9-RA621EX Regarding FCC Country Code Selection guidelines identified in KDB 594280. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Name: Lucas CHEN Date: 9/8/2023 Title:manager Signatureof applicant

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 WIFI ANT Photo 3 Photo 4 Photo 5 Photo 6

6710A6693062 6710A6693060 85.3 85.6 71.6 71.3 4-R2 PoE INPUT(802.3at): 54V 0.6A FCC ID: 2AAA9-RA621EX XXXXXXXXXXXXX XXX-XXXXXX (Smart Access Point 無線接取點) RA621EX www.relay2.com Made in Taiwan This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions : (1) This device may not cause harmful interference , and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE PoE INPUT(802.3at): 54V 0.6A FCC ID: 2AAA9-RA621EX XXXXXXXXXXXXX 220-JP6507 (Smart Access Point 無線接取點) RA621EX www.relay2.com Made in Taiwan This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions : (1) This device may not cause harmful interference , and (2) this device must accept any interference received, including interference that may cause undesired operation. PID: RA621EX-M2G-E128G VID: 1.0 S/N: MAC: XXXXXXXXXXXX 2023/06/13 Angela Bear emplus Technologies, Inc. Ted 1 1 RA621EX

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 WIFI ANT Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12 Photo 13 Photo 14 Photo 15

FCC ID: 2AAA9- RA621EX Maximum Permissible Exposure (MPE) According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 *377 **30 D GP From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. 2.4G WIFI: Operation Frequency: WIFI 802.11b/g/n20/ax20: 2412-2462MHz, 802.11n40/ax40:2422-2452MHz Power density limited: 1mW/ cm 2 Antenna Type: External Antenna Antenna 1: 5.17dBi; Antenna 2: 5.17dBi R=20cm Antenna Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) Max Antenna Evaluation result Power density Limits (dBm) tune-up power Gain (mW/cm2 ) (mW/cm2) (dBm) (mW) (dBi) Numeric Ant1 2412 b 19.1 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 b 19.55 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2462 b 19.49 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2412 b 19.25 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 b 19.45 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2462 b 19.24 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2412 g 19.46 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 g 19.81 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2462 g 19.65 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2412 g 19.37 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 g 19.61 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2462 g 19.37 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2412 n20 19.2 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 n20 19.61 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2462 n20 19.22 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2412 n20 19.12 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 n20 19.29 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2462 n20 19.06 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2422 n40 19.78 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 n40 19.92 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2452 n40 19.82 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2422 n40 19.73 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 n40 19.81 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2452 n40 19.76 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2412 ax20 19.05 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 ax20 19.47 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2462 ax20 19.07 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2412 ax20 18.92 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 ax20 19.16 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2462 ax20 18.92 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2422 ax40 19.49 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2437 ax40 19.72 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 2452 ax40 19.63 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2422 ax40 19.4 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2437 ax40 19.5 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 2452 ax40 19.45 19±1 20 100.000 5.17 3.29 0.0654 1 5G WIFI: Operation Frequency: WIFI 802.11a/ac/n(HT20): 5180-5240MHz; 5745-5825MHz; WIFI 802.11ac/n(HT40): 5190-5230MHz;5755-5795MHz; WIFI 802.11ac/ax80:5210-5210MHz;5775-5775MHz Power density limited: 1mW/cm Antenna Type: External Antenna Antenna 1: 5.17dBi; Antenna 2: 5.17dBi R=20cm 5.2G Antenna Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) Max Antenna Evaluation result Power density Limits (dBm) tune-up power Gain (mW/cm2 ) (mW/cm2) (dBm) (mW) (dBi) Numeric Ant1 5180 a 19.04 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5200 a 19.28 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5240 a 18.92 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5180 a 19.02 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5200 a 19.5 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5240 a 19.32 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5180 n20 18.84 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5200 n20 19.04 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5240 n20 18.68 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5180 n20 18.92 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5200 n20 19.19 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5240 n20 19.08 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5190 n40 19.48 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5230 n40 19.35 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5190 n40 19.56 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5230 n40 19.86 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5180 ac20 18.63 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5200 ac20 18.99 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5240 ac20 18.69 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5180 ac20 19.02 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5200 ac20 19.25 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5240 ac20 19.16 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5190 ac40 19.44 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5230 ac40 19.36 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5190 ac40 19.58 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5230 ac40 19.91 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5210 ac80 19.35 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5210 ac80 19.75 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5180 ax20 18.55 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5200 ax20 18.86 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5240 ax20 18.57 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5180 ax20 18.75 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5200 ax20 19.1 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5240 ax20 18.97 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5190 ax40 19.21 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5230 ax40 18.98 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5190 ax40 19.2 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5230 ax40 19.51 19±1 20 100.000 5.17 3.29 0.0654 1 Ant1 5210 ax80 19.19 19±1 20 100.000 5.17 3.29 0.0654 1 Ant2 5210 ax80 19.35 19±1 20 100.000 5.17 3.29 0.0654 1 5.8G Antenna Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) Max Antenna Evaluation result Power density Limits (dBm) tune-up power Gain (mW/cm2 ) (mW/cm2) (dBm) (mW) (dBi) Nu…

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Customer Model No.:7102A0414000 Master Wave Model No.: 9 8143URSX000 Product Description:8143 Replacement Ant. Issue Date: REV.:00 承 認 書 APPROVAL SHEET 2016/5/4 2008.6.23 核准 Approve 主管 Chief 承辦 Responsible Mango Matt Hero 客戶承認用印 權億承認用印 2016.5.4 MASTER WAVE TECHNOLOGY CO., LTD. 權億科技股份有限公司 Address: No.81-8, Longshou St., Taoyuan City, Taoyuan County 330, Taiwan (R.O.C.) Tel: +886-3-3600306 Fax: +886-3-3600979 Shengyih Electronic Plastic Co. Ltd (Shou Zhou) 聲億電子塑膠有限公司 (蘇州廠 ) Address: No.95 Wusong south Rd of Luzhi Town Wu zhong Area Suzhou City, China Tel：+86-512-65046030 Fax：+86-512-65046033 Shengyih Electronic Plastic Manufactory (Dongguan) 聲億電子塑膠製品廠 (東莞廠) Address: Mu-Lun Administration Area, Changping Town,Dongguan City.Guangdong Province,China Tel：+86-769-83914045 Fax：+86-769-83914046 Table of Contents Item 1. Antenna Specifications -Drawing 2. To Data Sheet -Electrical test -Antenna Efficiency -Pattern test 3. Material Certifications -Connector -Cable 4. Packing -PE Bag -Carton Modification History: REV.Content 00 Date 2016/5/4 Electrical Test Antenna Efficiency 2D Radiation Pattern H-Plan 2D Radiation Pattern E-Plan Connector SMA Electrical Properties Impedance50 ohm Frequency Range0~6 GHz V.S.W.R ≦1.5 Working Voltage ≦170Vrms Dielectric Withstanding≦500 Vrms Voltage Insulation Resistance≧2000 Megohms Contact Resistance Center contact: 3.0 Milliohms (Max.) Outer contact: 2.0 Milliohms (Max.) Brass Center Contact Recommended coupling nut torque4.0 in. lbs. ~ 8.8in. lbs. Coupling nut retention force ≧60 lbs. Contact captivation axial ≧6 lbs. Brass InsulatorTeflon Coupling Proof Torque15 in-1bs.min Operating Temperature -65°C ~ +165°C Material Specifications Material DataMaterial Body 線材規格 CABLE SPECIFICATION

Report No.: S23072505007002 Version.1.2 Page 1 of 55 FCC RADIO TEST REPORT FCC ID: 2AAA9-RA621EX Product: Smart Access Point Trade Mark: Relay2 Model No.: RA621EX Family Model: N/A Report No.: S23072505007002 Issue Date: Aug 29, 2023 Prepared for Relay2, Inc. 1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S23072505007002 Version.1.2 Page 2 of 55 TEST RESULT CERTIFICATION Applicant’s name ................. : Relay2, Inc. Address ................................. : 1525 McCarthy Blvd., Suite 209 Milpitas, CA 95035, USA Manufacturer's Name .......... : Emplus Technologies, Inc. Address ................................. : 10F., Building B, No. 209, Sec. 1, Nangang Rd., Nangang Dist., Taipei City 11568, Taiwan Product description Product name ........................ : Smart Access Point Trade Mark ............................ : Relay2 Model and/or type reference : RA621EX Family Model ......................... : N/A Standards ............................. : FCC Part15.407 Test procedure ............................ : ANSI C63.10-2013 and KDB 789033 D02 General UNII Test Procedures New Rules v02r01 FCC KDB 662911 D01 Multiple Transmitter Output v02r01 This device described above has been tested by NTEK, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of NTEK, this document may be altered or revised by NTEK, personnel only, and shall be noted in the revision of the document. Test Sample Number ............................ : S230725050008 Date of Test ............................................ Date (s) of performance of tests ............. : Jul 25, 2023~ Aug 29, 2023 Date of Issue ........................................... : Aug 29, 2023 Test Result ............................................... : Pass Testing Engineer : (Mukzi Lee) Authorized Signatory : (Alex Li) Report No.: S23072505007002 Version.1.2 Page 3 of 55 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 FACILITIES AND ACCREDITATIONS 7 1.2 MEASUREMENT UNCERTAINTY 7 1 . GENERAL INFORMATION 8 1.1 GENERAL DESCRIPTION OF EUT 8 1.2 DESCRIPTION OF TEST MODES 11 1.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 12 1.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 13 1.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 14 2 . EMC EMISSION TEST 16 2.1 CONDUCTED EMISSION MEASUREMENT 16 2.1.1 APPLICABLE STANDARD 16 2.1.2 CONFORMANCE LIMIT 16 2.1.3 TEST CONFIGURATION 16 2.1.4 TEST PROCEDURE 16 2.2 RADIATED EMISSION MEASUREMENT 21 2.2.1 APPLICABLE STANDARD 21 2.2.2 CONFORMANCE LIMIT 21 2.2.3 MEASURING INSTRUMENTS 21 2.2.4 TEST CONFIGURATION 22 2.2.5 TEST PROCEDURE 23 2.2.6 TEST RESULTS (9KHZ – 30 MHZ) 24 2.2.7 TEST RESULTS (30MHZ – 1GHZ) 25 2.2.8 TEST RESULTS (1GHZ-18GHZ) 29 2.2.10 TEST RESULTS (18GHZ-40GHZ) 31 3 . POWER SPECTRAL DENSITY TEST 36 3.1 APPLIED PROCEDURES / LIMIT 36 3.2 TEST PROCEDURE 37 3.3 DEVIATION FROM STANDARD 37 3.4 TEST SETUP 37 3.5 EUT OPERATION CONDITIONS 37 3.6 TEST RESULTS 38 4 . 26DB & 99% EMISSION BANDWIDTH 39 4.1 APPLIED PROCEDURES / LIMIT 39 4.2 TEST PROCEDURE 39 4.3 EUT OPERATION CONDITIONS 40 4.4 TEST RESULTS 40 Report No.: S23072505007002 Version.1.2 Page 4 of 55 Table of Contents Page 5 . MINIMUM 6 DB BANDWIDTH 41 5.1 APPLIED PROCEDURES / LIMIT 41 5.2 TEST PROCEDURE 41 5.3 DEVIATION FROM STANDARD 41 5.4 TEST SETUP 41 5.5 EUT OPERATION CONDITIONS 41 5.6 TEST RESULTS 42 6 . MAXIMUM CONDUCTED OUTPUT POWER 43 6.1 PPLIED PROCEDURES / LIMIT 43 6.2 TEST RESULTS 44 7 . OUT OF BAND EMISSIONS 45 7.1 APPLICABLE STANDARD 45 7.2 TEST PROCEDURE 45 7.3 DEVIATION FROM STANDARD 46 7.4 TEST SETUP 46 7.5 EUT OPERATION CONDITIONS 46 7.6 TEST RESULTS 47 8. FREQUENCY STABILITY MEASUREMENT 48 8.1 LIMIT 48 8.2 TEST PROCEDURES 48 8.3 TEST SETUP LAYOUT 48 8.4 EUT OPERATION DURING TEST 48 8.5 TEST RESULTS 49 9. ANTENNA REQUIREMENT 55 9.1 STANDARD REQUIREMENT 55 9.2 EUT ANTENNA 55 10. TEST RESULT 55 Report No.: S23072505007002 Version.1.2 Page 5 of 55 Revision History Report No. Version Description Issued Date S23072505007002 Rev.01 Initial issue of report Aug 29, 2023 Report No.: S23072505007002 Version.1.2 Page 6 of 55 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.407) , Subpart E Standard Section Test Item Judgment Remark 15.207 AC Power Line Conducted Emissions PASS 15.209(a), 15.407 (b)(1) 15.407 (b)(4) 15.407(b)(8)(9) Spurious Radiated Emissions PASS 15.407 (a) 26 dB and 99% Emission Bandwidth PASS 15.407(e) Minimum 6 dB bandwidth PASS 15.407 (a) Maximum Conducted Output Power PASS 15.407 (b)(1) 15.407 (b)(4) Band Edge PASS 15.407 (a) Power Spectral Density PASS 15.407(b) Spurious Emissions at Antenna Terminals PASS 15.407(g) Frequency Stability Measurement PASS 15.407(h) Dynamic Frequency Selection(DFS) N/A 15.203 Antenna Requirement PASS 15.407(c) Automatically discontinue transmission PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Report No.: S23072505007002 Version.1.2 Page 7 of 55 1.1 FACILITIES AND ACCREDITATIONS FACILITIES All measurement facilities used to collect the measurement data are located at 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District Shenzhen, Guangdong, China The sites are constructed in conformance with the requirements of ANSI C63.7, ANSI C63.10 and CISPR Publication 22. LABORATORY ACCREDITATIONS AND LISTINGS Site Description CNAS-Lab. : The Certificate Registration Number is L5516. IC-Registration The Certificate Registration Number is 9270A. CAB identifier:CN0074 FCC- Accredited Test Firm Registration Number: 463705. Designation Number:…

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Report No.: S23072505007002 Page 1 of 417 5.2G WIFI Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT a 5180 Ant1 95.07 0.22 0.51 NVNT a 5200 Ant1 95.1 0.22 0.51 NVNT a 5240 Ant1 95.24 0.21 0.51 NVNT a 5180 Ant2 95.01 0.22 0.51 NVNT a 5200 Ant2 95.11 0.22 0.51 NVNT a 5240 Ant2 94.93 0.23 0.51 NVNT n20 5180 Ant1 92.1 0.36 0.18 NVNT n20 5200 Ant1 92.15 0.36 0.18 NVNT n20 5240 Ant1 91.99 0.36 0.18 NVNT n20 5180 Ant2 91.34 0.39 0.18 NVNT n20 5200 Ant2 91.71 0.38 0.18 NVNT n20 5240 Ant2 91.61 0.38 0.18 NVNT n40 5190 Ant1 91.77 0.37 0.18 NVNT n40 5230 Ant1 93.57 0.29 0.18 NVNT n40 5190 Ant2 93.63 0.29 0.18 NVNT n40 5230 Ant2 91.7 0.38 0.18 NVNT ac20 5180 Ant1 91.52 0.38 0.18 NVNT ac20 5200 Ant1 91.7 0.38 0.18 NVNT ac20 5240 Ant1 91.48 0.39 0.18 NVNT ac20 5180 Ant2 93.38 0.3 0.18 NVNT ac20 5200 Ant2 90.61 0.43 0.18 NVNT ac20 5240 Ant2 91.62 0.38 0.18 NVNT ac40 5190 Ant1 92.83 0.32 0.18 NVNT ac40 5230 Ant1 92.93 0.32 0.18 NVNT ac40 5190 Ant2 92.05 0.36 0.18 NVNT ac40 5230 Ant2 92.25 0.35 0.18 NVNT ac80 5210 Ant1 92.71 0.33 0.18 NVNT ac80 5210 Ant2 93.17 0.31 0.18 NVNT ax20 5180 Ant1 94.35 0.25 0.18 NVNT ax20 5200 Ant1 95.1 0.22 0.18 NVNT ax20 5240 Ant1 94.8 0.23 0.18 Report No.: S23072505007002 Page 2 of 417 NVNT ax20 5180 Ant2 95.34 0.21 100 NVNT ax…

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