2AYY6OA002Open Area Sensor

Complete Installation Guide Open Area Sensor © 2022 DENSITY Contents 01 — In the Box 02 — Hardware 03 — Power 04 — Networking 05 — Install Height & Considerations 06 — Mount Plate Installation 07 — Toggle Anchor Mounting 08 — Threaded Rod Anchor Mounting 09 — Junction Box Mounting 10 — Post Installation In the Box 01 Product +Density Open Area sensor +QR code for Quick Start Guide +Legal information booklet Ceiling mount kit +Mount plate Hardware 02 Sensors Single-chip 60-64GHz mmWave sensor Indicators Multi-color status LED Environmental specifications +Temperature: 32°- 95°F (0°- 35°C) +Relative humidity: 20% to 80% +non-condensing +Rated for indoor installation only Note: Open Area sensors can reach temperatures up to 135ºF (57ºC) after going online. Please keep proper ventilation in mind. If you need to handle the sensor, unplug it and wait a few minutes for it to cool down, or wear gloves so it is more comfortable to handle the device. Unit weight 0.78lbs (0.35kg) Dimensions & features +White polycarbonate enclosure +Painted aluminum base +Integrated 1/4”-20 mounting threads +Mount plate +Thread depth: 0.2in (0.5cm) Interface +1x 10/100/1000 BaseT RJ45 interface +WiFi/Bluetooth dongle +Reset button Resetting the sensor To reset the sensor to default factory settings, press and hold the reset button until the LED stops blinking (approx 10 seconds). The sensor must be plugged in and connected to power in order to reset. Sensor LED status indicator The sensor has an indicator LED located on the front of the sensor. The color chart below explains the meaning of each color, defines any issues, and lists what actions to take if necessary. If the recommended action does not resolve the LED light error status, factory reset the sensor. To reset, press and hold the reset button on the side of the sensor until the LED light starts flashing white. If the issue persists, please reach out to [email protected] Power 03 Power requirements The Open Area sensor can be powered by either a 802.3af PoE switch or a PoE Injector Wall Plug. Cable requirements The sensor requires a Cat 5e or later ethernet cable (not included). Flat white cable recommended for optimal aesthetics. Option 1 — PoE switch Connect one end of a Cat 5e or later ethernet cable to a 802.3af compliant network switch capable of providing 15.4W per port. Plug the other end of the ethernet cable into the Open Area sensor. Density’s Open Area device (model: OA1) requires PoE power to operate. You must use a PoE (802.3af) compatible switch or power injector that provides the specified 15.4W per port and be conscious not to exceed the switch load. For example, a 150W PoE switch can only host Open Area sensors assuming no other loads on that switch. Option 2 — PoE injector using WiFi Plug the PoE Injector into any standard 120v (US) wall outlet. Plug one end of a Cat 5e or later ethernet cable into the Data & Power Out port located on the bottom of the injector. Plug the other end of the ethernet cable into the sensor. Use the Unit Setup App to connect the sensor to a WiFi network. Option 3 — PoE injector using ethernet Plug the PoE Injector into any standard 120v (US) wall outlet. Plug one end of a Cat 5e or later ethernet cable into a cradlepoint / router or non PoE switch. Plug the other end of the cable into the Data In port located on the bottom of the Injector. Plug an additional ethernet cable into the Data & Power Out port also located on the bottom of the injector. Plug the other end of the ethernet cable into the sensor. Networking 04 Networking basics Density devices require internet connectivity to pass data to the web application. Options to connect your Density devices to the internet +Option 1 – Wired internet switch +Option 2 – WiFi (requires the Density Unit Setup App to locally set up the device) +Option 3 – Wired internet via Cradlepoint Networks that are not supported: +Captive portal +Proxy +WPA2 Enterprise +Hidden Networks * +5GHz WiFi networks * Hidden networks can be used if temporarily made transparent while we configure the devices. If you have a corporate firewall You will need to whitelist the device MAC addresses (the MAC addresses can be found on the outside of the packaging box for the device). You may also have to whitelist the following addresses to ensure the device is able to communicate to your corporate network: *.density.io *.s3.amazonaws.com *.pool.ntp.org (required for static IP) connman.net connectivitycheck.gstatic.com 8.8.8.8 (if applicable) 8.8.4.4 (if applicable) Density does not currently support IP address whitelisting. A list of exact API subdomains is available by request. +Captive portal +ntp port (port 123) must be open +If internal DNS is not available then external DNS servers 8.8.8.8 and 8.8.4.4 will be used and port 53 must be open Unit Setup App Used to configure units. iOS and Android application available - Go to mobile.density.io to download. Static configuration requirements You will need an IPv4 Address and Name Servers from your IT team to use in the setup process. (Requires the Density Unit Setup App to locally set up the device). Network configuration options Both DHCP and Static IP configurations are supported. (Static IP configurations require the Density Unit Setup App to locally set up the device). DHCP supported configuration Option 53 – DHCP Message Type +Discover Option 57 – Maximum DHCP Message Size +576 Option 55 – Parameter List +Subnet Mask (1) +Router (3) +Interface MTU (26) +Private/Proxy Auto Discovery (252) +Network Time Protocol Servers (42) +Domain Name (15) +Domain Name Server (6) +Hostname (12) Option 60 – Vendor Class Identifier * +“Density S5 DPU” Option 61 – Client Identifier +Mac Address Option 12 – Hostname +Density-<Serial> Install Height & Considerations 05 Power & networking Open Area sensors require standard power-over-ethernet PoE 802.3af, which can be supplied by an Ethernet switch or a PoE injector. The sensor can be connected via a wired or wir…

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Patrick Foo Program Manager [email protected] Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 02/21/2023 Manufacturer Name certifies that, as of the dates of this application, Americas Compliance Consulting LLC dba iCertifi “iCertifi”is our designated U.S. agentfor service of process for the above referenced FCC ID. Manufacturer Name 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 the equipment. iCertifi accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service process for the above referenced FCC ID. Designated U.S. Agent Information: Name:Americas Compliance consulting, LLC dba iCertifi FCC FRN:0033399411 Address:1001 SW Disk Drive, Suite 250, Bend, Oregon97702 Contact Person:Paul Preston Tel:866-885-45575 Email:[email protected] Sincerely, Manufacturer Name: Density Inc.Americas Compliance Consulting LLC dba iCertifi Manufacturer Contact: Patrick FooPaul Preston Signature Ref: Attestation Statement Part 2.911(d)(7) Filing FCC ID:2AYY6OA001, 2AYY6OA002

Willow Run (WR) Test Labs, Inc. 7117 Fieldcrest Dr., Brighton, Michigan 48116 USA Tel: (734) 252-9785, Fax: (734) 926-9785, e-mail: [email protected] Attn.:Certification and Engineering Bureau, Innovation, Science and Economic Development Canada 3701 Carling Avenue, Bldg. 94 Ottawa, Ontario K2H 8S2 Re: Certification for Density Inc. OA1b IC: 26986-OA002 If necessary, we have enclosed application materials for certification of Density Inc. OA1b. It has been verified to comply with ISED RSS-210 Issue 10. Current Variants: There is only a single variant of the EUT, as tested. If there are any questions regarding the application or testing performed, please contact us at the above address or call (734) 252-9785, or e-mail [email protected]. Sincerely, Joseph D. Brunett Willow Run (WR) Test Labs, Inc. 11 Willow Run (WR) Test Labs, Inc. 7117 Fieldcrest Dr., Brighton, Michigan 48116 USA Tel: (734) 252-9785, Fax: (734) 926-9785, e-mail: [email protected] Attn.:Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Re: Certification for Density Inc. OA1b FCC ID: 2AYY6OA002 If necessary, we have enclosed application materials for certification of Density Inc. OA1b. It has been verified to comply with CFR Title 47, Part 15.255. Current Variants: There is only a single variant of the EUT, as tested. If there are any questions regarding the application or testing performed, please contact us at the above address or call (734) 252-9785, or e-mail [email protected]. Sincerely, Joseph D. Brunett Willow Run (WR) Test Labs, Inc. 10

Willow Run (WR) Test Labs, Inc. 7117 Fieldcrest Dr., Brighton, Michigan 48116 USA Tel: (734) 252-9785, Fax: (734) 926-9785, e-mail: [email protected] Re: Certification for Density Inc. FCC ID: 2AYY6OA002 IC: 26986-OA002 REQUEST FOR CONFIDENTIALITY Pursuant to USA FCC 47 CFR 0.457(d) and 0.459 and Canada IC RSP-100, Section 10, Density Inc. requests that a part of the subject application be held confidential. Density Inc. 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. Exhibit Conf. TypeRational Exh 03 - External PhotosSTC-180daysIncludes product information. Exh 04 - Block DiagramLTCIncludes proprietary internal oscillator frequency information. Exh 05 - SchematicsLTCIncludes proprietary design information Exh 07 - Test Setup PhotosSTC-180daysIncludes product information. Exh 08 - Users ManualSTC-180daysIncludes product information. Exh 09 - Internal PhotosSTC-180daysIncludes product information. Exh 10 - Parts List, Tune, PlaceLTCIncludes proprietary design information. Exh 12 - Description of Op.LTCIncludes proprietary product information. Long Term Confidentiality (Permanent):Density Inc. requests that any exhibits listed above as permanently confidential be permanently withheld from public review. Wherein Long Term Confidentiality is not an option for specific exhibits with ISED, this request applies only to the FCC application for those exhibits. Short-Term Confidentiality (FCC Only):Density Inc. requests that any exhibits selected above as short term confidential be withheld from public view for a period of days (noted above) from the date of the Grant of Equipment Authorization and prior to marketing. If there are any questions regarding the application or testing performed, please contact us at the above address or call (734) 252-9785, or e-mail [email protected]. Sincerely, Joseph D. Brunett Willow Run (WR) Test Labs, Inc. 9

Willow Run (WR) Test Labs, Inc. 7117 Fieldcrest Drive Brighton, MI 48116 Phone: (734) 252-9785, Fax (734) 926-9785 e-mail:[email protected] RF EXPOSURE CALCULATIONS Requirement: According to USA CFR 15 §1.1307 (b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. For Canada, RSS-102 sets out the requirements and measurement techniques used to evaluate radio frequency (RF) exposure compliance of radiocommunication apparatus designed to be used within the vicinity of the human body. Maximum Permissible Exposure Calculations: Summary: The EUT with all transmitters is compliant with both the FCC power density limit and the ISED Exposure Evaluation limits. Test Date: 16-Jan-23 LevelUnitsTest Engineer: J. Brunett MPE Field Strength Limit 61V/m EUT Mode: Active MPE Power Density Limit 1.0 Meas. Distance: 3m Freq.Temp EIRP (Pk) Exposure Duty EIRP (Avg)RS-102 2.5.2 EUT Ant. Dim. Far-field DistanceS = 1mW/cm2 Dist.*S @ 20 cm Distance MPE S Limit MHzdBcmmcmComments 600191814.4-9.94.537.06.001.44 0.5 0.0011.000 S @ 20cm = EIRP – 10*log10( 4 * PI * 20^2) mW/cm2 o CdBmdBmEIRP dBm LimitmW/cm2mW/cm2 S = 1mW/cm2 Distance = sqrt(EIRPmW/(4*PI*1mW/cm2)) S = 1mW/cm2 Distance is an overestimated value when smaller than the EUT far field distance, and demonstrates compliance with FCC Part 1.1307, 1.1310, 2.1091, and 2.0193 requirements when the EUT is mounted.

Amber Helm Development L.C. 92723 Michigan Hwy-152 Sister Lakes, Michigan 49047 USA Tel: 888-847-8027 DOA1B-WR2304TX Issued:February 8, 2023 EMC Test Report regarding USA: CFR Title 47, Part 15.255(Emissions) Canada:ISED RSS-210 Issue 10(Emissions) for OA1b Category: Field Disturbance Sensor Judgments: FCC 15.255 and ISED RSS-210v10 Compliant Testing Completed: February 2, 2023 TESTING NVLAP LAB CODE 200129-0 Prepared for: Density Inc. 369 Sutter St., San Francisco California 94108 USA Phone: +(888) 990-2253, Fax: Contact: Christian Ayerh, [email protected] Data Rec./Rev. by: Rpt. Auth. by: Dr. Joseph Brunett, EMC-002790-NEDr. Joseph Brunett, EMC-002790-NE Rpt. Prep./Rev. by:Date of Issue:February 8, 2023 John Nantz A copy of this report will remain on file until March 2033.Page 1 of 23 Date: February 8, 2023Prepared For: Density Inc.Report No.: DOA1B-WR2304TX Revision History Rev. No.DateDetailsRevised By r0February 8, 2023Initial Release.J. Brunett r1March 15, 2023Add example calculations.J. Brunett r2March 23, 2023Fix missing photo ref.J. Brunett Contents Revision History2 Table of Contents2 1 Test Report Scope and Limitations5 1.1 Laboratory Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.2 Report Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.3 Subcontracted Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.4 Test Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.5 Limitation of Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.6 Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.7 Endorsements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.8 Test Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 1.9 Traceability and Equipment Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2 Test Specifications and Procedures7 2.1 Test Specification and General Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3 Configuration and Identification of the Equipment Under Test8 3.1 Description and Declarations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.1EUT Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.2Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.3Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.4Test Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.5Functional Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.6Modifications Made . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.7Production Intent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.8Declared Exemptions and Additional Product Notes . . . . . . . . . . . . . . . . . . . . . . . . 10 4 Emissions11 4.1 General Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1.1Radiated Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1.2Conducted Emissions Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4.1.3Power Supply Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.2 Intentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.2.1Fundamental Emission Pulsed Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.2.2Fundamental Emission Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.2.3Fundamental Emission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.3 Unintentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.3.1Transmit Chain Spurious Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.3.2General Radiated Spurious . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3.3Conducted Emissions Test Results - AC Power Port(s) . . . . . . . . . . . . . . . . . . . . . . . 22 Amber Helm Development L.C., 92723 Michigan Hwy-152, Sister Lakes, Michigan 49047 USAPage 2 of 23 Date: February 8, 2023Prepared For: Density Inc.Report No.: DOA1B-WR2304TX 5 Measurement Uncertainty and Accreditation Documents23 Amber Helm Development L.C., 92723 Michigan Hwy-152, Sister Lakes, Michigan 49047 USAPage 3 of 23 Date: February 8, 2023Prepared For: Density Inc.Report No.: DOA1B-WR2304TX List of Tables 1Test Site List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2Equipment List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3EUT Declarations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 4Pulsed Emission Characteristics (Duty Cycle). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5Intentional Emission Bandwidth.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6Fundamental Radiated Emissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7Transmit Chain Spurious Emissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 8Radiated Digital Spurious…

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