2AA23-SOILMSoil Quality

Version 2021-05-06 SoilQuality User Manual 1. Safety Instructions We do not assume liability for any resulting damages to property or personal injury, if SoilQuality has been misused and or damaged by improper use or failure to observe these operating instructions. SoilQuality should be kept out of reach of children, do not: • Subject SoilQuality to excessive force, shock, or dust • Submerge in water. 2. Caution Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to instructions. 3. Warning To reduce risk of interference with other electrical equipment: • Consult your doctor or device manufacturer if you have a pacemaker or other implanted electrical device. 4. Trademark iBebot™ is a trademark of Tektos Ltd., registered in Hong Kong and other countries. 5. EU Declaration of Conformity Hereby, iBebot Limited, declares that the provided Soil Moisture and Nutrient Sensor (Model: SOILM) is in conformity with the requirements of Directive 201/53/EU. A copy of the signed and dated Declaration of Conformity is available upon request. 6. Environmentally Friendly Disposal Old electrical appliances must not be disposed of together with residential waste. Encouraging you to dispose of separately and sensibly. Version 2021-05-06 7. Specifications Dimensions & Weight • 220mm x 20mm x 20mm • Net Weight: 35g Water resistance • IPX5 Moisture Sensor Sensing soil moisture • Range: 0% to 70% Absolute Volume Ratio (AVR) • Resolution: 0.1% • Moisture level measuring with capacitive sensing technology Soil EC* Sensor Measure soil nutrient *EC : Electrical conductivity • Range: 0 – 10mS/cm • Resolution: 0.001mS/cm Data storage • Up to 25,000 sensing records are stored locally inside SoilQuality Sensing periodicity • Adjustable recording period: 5, 10, 15, 20, 25, 30 and 40 minutes Firmware Upgradable • Firmware upgradable via iBebot Sensor Upgrader BLE Connectivity • BLE 4.0, 30 meters FREE field view Power source • 1 x AAA battery, Alkaline 1.5V Battery life • 1.5 years (based on 20 minutes recording periodicity) Mobile App • Android & iOS Version 2021-05-06 8. Getting started Battery compartment Soil Sensing Probe Battery cover Protective Cap, to be removed before use. Version 2021-05-06 8.1 Battery installation • Remove battery cover • Place 1x AAA battery into SoilQuality • Replace cover to matching position marks between main body and cap After changing the battery, you must synchronise SoilQuality with our mobile APP, performing this updates SoilQuality’s internal date & time registry and allows log recording. 8.2 Inserting the sensor on soil • Remove protective cap • Gently clean with disinfectant alcohol front and back of the ‘Soil Sensing Probe’ • Insert SoilQuality’s into soil until the ‘Soil Sensing Probe’ is completely buried inside soil 8.3 Connect to Phone SoilQuality operate with our mobile application AirComfort. The mobile application is free and available on both Android and iOS. • App installation, use this QR code or browse to www.tektosdesign.com/air-comfort-app.php • Turn on ‘wireless communication’ in your phone • Enable ‘Location’ permission in your phone • Launch Application • Tap Menu • Tap ‘Add / Remove Sensors’ • Select your SoilQuality, TAP it (right circle will show as “green”) • Tap ‘✓’ icon to start using SoilQuality • Once download is complete, SoilQuality will be visible on the ‘Sensor’ Home page. 8.4 iBebot Connect “iBebot Connect” is a Web platform available on www.ibebot.com that provides a desktop interface with complementary features to the mobile application for SoilQuality and AirComfort. The platform offers: 1. Chart, to plot all sensors with unlimited history and data record backup. 2. VPD (Vapour-Pressure Deficit) computation and graphing 3. Mold risk probability 4. Grow room Mapping 5. Export to CSV (excel) 6. THI (Temperature Heat Index) computation and graphing *Current print run items 2 – 6 require a paid subscription Version 2021-05-06 9. Soil Moisture measurement SoilQuality moisture measurement is given in Absolute Volume Ratio (AVR), which is the ratio between the volume of water divided by total volume of Soil + Water after mixing both. 퐴푉푅 푀표푖푡푢푟푒 (%)= 푉푤 푉푡표푡푎푙 At 70% AVR moisture the soil becomes extremely close to a liquid and not adequate for plant growing in soil. Therefore, SoilQuality has been designed with full scale at 70% and provides AVR Soil Moisture measurement between 0 to 70%; above 70%, the reading with remain at 70%. ‘Soil Sensing Probe’ should be gently cleaned with disinfectant alcohol if moisture reading doesn’t reach 70% in water. 10. EC Measurement and Soil Nutrients 10.1 SoilQuality measures the Electrical Conductivity (EC) of soil. 10.2 On moist soil, at a given temperature, the EC of soil is relative to the amount of nutrients in the soil: an increase of the nutrient produces an increase in Soil Electrical Conductivity. 10.3 To capture nutrients in the soil, a plant needs water so minerals can be dissolved in water and be available as nutrients to the plant. In dry soil a plant will not be able to grow and capture any nutrients. Soil EC is also affected by the soil moisture: when the soil is dry, the EC greatly drops even if there’s minerals in the soil. Therefore, the Soil EC gives a good relative indication of the available nutrients to the plant. 10.4 Temperature is also a factor that will affect the soil’s EC level. Most EC agricultural standards are given at 25°C. The higher the temperature the higher the EC. As a rule of thumb, the EC of water increases by 2 to 3% for each increase of 1°C. 10.5 Comparison of Nutrient level in time or between different soil samples should be done based on the same moisture level and temperature. 10.6 When mixing a soil with a water solution, it is important to note that the resulted EC of the soil will be according on the EC level of the water solution combined with the mineral level of the soil and the moisture level of the mix of both. Volume of …

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Tektos Limited Agent Authorization Company: Tektos Limited Address: Room F, 20/F, Kwong Ga factory Building, 64 Victoria Road, Kennedy Town, Hong Kong Product Name: Soil Quality Model Number(s): SOILM Product Description: Soil Quality 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. Signature: Date: 2022/06/30 Name: Federic Vautard Title: R & D Manager Company: Tektos Limited

Tektos Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022/06/30 Subject; Request for Confidentiality FCC ID: 2AA23-SOILM 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 Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. 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: Federic Vautard Title: R & D Manager

External Photos

Size:10*10mm FCC ID: 2AA23-SOILM Label location

Internal Photos Antenna

FCC ID: 2AA23- SOILM RF exposure evaluation §2.1093 Radiofrequency radiation exposure evaluation: Portable Devices. According to§15.247(i) and§1.1307b(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidance. The 1-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, where  f(GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  When the minimum test separation distance is < 5 mm, a distance of 5 mm according is applied to determine SAR test exclusion.  The result is rounded to one decimal place for comparison BLE Modulation Frequency (GHz) Max. Power (dBm) Tune up Power (dBm) Max. Tune up Power (dBm) Max. Tune up Power (mW) Test distance (mm) Result exclusion thresholds for 1-g SAR GFSK 2.402 -0.36 -1±1 0 1 5 0.31 3.0 Conclusion: For the max result : 0.31W/Kg ≤ FCC Limit 3.0 for 1g SAR. The Product unsupported at the same time to Transmitting.

No.：BCTC/RF-EMC-007 Page: 1 of 37 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2206477118E Applicant: Tektos Limited Product Name: Soil Quality Model/Type reference: SOILM Tested Date: 2022-06-23 to 2022-06-27 Issued Date: 2022-06-27 Report No.: BCTC2206477118E No.：BCTC/RF-EMC-007 Page: 2 of 37 Edition：A.4 FCC ID:2AA23- SOILM The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Soil Quality Trademark: Tektos Model/Type reference: SOILM Prepared For: Tektos Limited Address: Room F, 20/F, Kwong Ga factory Building, 64 Victoria Road, Kennedy Town, Hong Kong Manufacturer: Hong Kong Di Tuo Si (Shenzhen) Co., Ltd Address: Floor 5th, Building A, Gangzhilong Business Center Heping East Road, Longhua District, shenzhen, Guangdong, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2022-06-23 Sample tested Date: 2022-06-23 to 2022-06-27 Issue Date: 2022-06-27 Report No.: BCTC2206477118E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth BLE radio test report. Tested by: Approved by: Brave Zeng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2206477118E No.：BCTC/RF-EMC-007 Page: 3 of 37 Edition：A.4 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table of parameters of text software setting ....................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT Operating Conditions .................................................................................. 13 6.5 Test Result .......................................................................................................... 13 7. Radiated Emissions ............................................................................................. 14 7.1 Block Diagram Of Test Setup .............................................................................. 14 7.2 Limit .................................................................................................................... 15 7.3 Test procedure .................................................................................................... 16 7.4 EUT operating Conditions ................................................................................... 17 7.5 Test Result .......................................................................................................... 17 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 21 8.1 Block Diagram Of Test Setup .............................................................................. 21 8.2 Limit .................................................................................................................... 21 8.3 Test Procedure ................................................................................................... 22 8.4 EUT Operating Conditions .................................................................................. 22 8.5 Test Result .......................................................................................................... 23 9. Power Spectral Density Test ............................................................................... 24 9.1 Block Diagram Of Test Setup .............................................................................. 24 9.2 Limit .................................................................................................................... 24 9.3 Test procedure .................................................................................................... 24 9.4 EUT Operating Conditions .................................................................................. 24 9.5 Test Result .........…

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Report No.: BCTC2206477118E No.：BCTC/RF-EMC-007 Page: 36 of 37 Edition：A.4 15. EUT Test Setup Photographs Radiated Measurement Photos