2AL2E-RG130Surface-restoration grinder

enOriginal Instructions – surface-restoration grinders3 frNotice d'utilisation d'origine - ponceuse de rénovation16 esManual de instrucciones original - Amoladoras de saneamiento30 Read all instructions before using Lire toutes les instructions avant de démarrer les travaux. Lea y comprende todas las instrucciones antes de usar. RG 130 ECI Festool GmbH Wertstraße 20 73240 Wendlingen Germany www.festoolusa.com 10480136_D / 2023-01-09 1-5 1-10 1-21-6 1-7 1-8 1-9 1-12 1-11 1-13 1-31-4 1-1 1 Contents 1About this manual.......................................3 2Symbols.......................................................3 3Safety warnings...........................................4 4Intended use................................................8 5Technical data.............................................8 6Functional description................................8 7Commissioning...........................................8 8Working with the electric power tool........12 9Service and maintenance..........................12 10Storage......................................................13 11Accessories...............................................13 12Environment..............................................14 13General information..................................14 1About this manual Save these instructions It is important for you to read and understand this manual. The information it contains relates to protecting your safety and preventing prob­ lems. The symbols below are used to help you recognize this information. DANGERDescription of imminent hazard and failure to avoid hazard will result in death. WARN­ ING Description of hazard and possible resulting injures or death. CAUTIONDescription of hazard and possible resulting injuries. NOTICEDescription of possible damage of the device or its surroundings. 2Symbols Warning of general danger Warning of electric shock Read the operating instructions and safety instructions. Wear protective goggles and ear pro­ tection. Wear a dust mask. Wear protective gloves. Always operate with two hands. Pull out the mains plug Safety class II Direction of rotation of the grinding wheel Tool contains a chip which stores data. See section 13.1 Tip or advice Handling instruction "Inch AAmpere dBmDecibel-milliwatts HzHertz kgKilogram MHzMegahertz mmMillimeter lb.Pound rpm min -1 Revolutions per minute VVolt WWatt WARNING To reduce the risk of injury, user must read and understand instruction man­ ual. Always use proper guards when grinding and wear eye protection. Use only accessories rated at least equal to the maximum speed marked on the tool. English 3 3Safety warnings 3.1General power tool safety warnings WARNING! Read all safety warnings, in­ structions, illustrations and specifica­ tions provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference. The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool. 1 WORK AREA SAFETY a.Keep work area clean and well lit. Clut­ tered or dark areas invite accidents. b.Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes. c.Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control. 2 ELECTRICAL SAFETY a.Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. b.Avoid body contact with earthed or grounded surfaces, such as pipes, radia­ tors, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. c.Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. d.Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of elec­ tric shock. e.When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock. f.If operating a power tool in a damp loca­ tion is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock. 3 PERSONAL SAFETY a.Stay alert, watch what you are doing and use common sense when operating a pow­ er tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inat­ tention while operating power tools may re­ sult in serious personal injury. b.Use personal protective equipment. Al­ ways wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat or hearing protection used for appropriate conditions will reduce personal injuries. c.Prevent unintentional starting. Ensure the switch is in the off-position before con­ necting to power source and/or battery pack, picking up or carrying the tool. Car­ rying power tools with your finger on the switch or energising power tools that have the switch on invites accidents. d.Remove any adjusting key or wrench be­ fore turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal in­ jury. e.Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected sit­ uations. f.Dress properly. Do not wear loose cloth­ ing or jewellery. Keep your hair and cloth­ ing away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts. g.If devices are provided for the connection of dust extraction and collection facilities, ensu…

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Festool GmbH Wertstrasse 20, 73240 Wendlingen Germany RE: LETTER OF AGENT AUTHORIZATION We, Company Name: Festool GmbH Address: Wertstraße 20 City: 73240 Wendlingen Country: the undersigned, hereby authorize Germany Name Representative of agent: Anka Juric (1) Agent Company name: SIQ testing and Certification GmbH Address: Masera-Spasiceva ulica 10 City: SI-1000 Ljubljana, Slovenia Country: Slovenia to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Date: 18.11.2022 City: Wendlingen Name: Mr Denis Drobner (2) Function: Head of Product Compliance Signature: Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code “owner” or the authorized agent.

10 th of November 2022 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Surface-restoration grinder / RG 130 ECI # 2AL2E-RG130# To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Block Diagram, Schematics, Parts List / Tune Up Procedure, Operational Description, SDR Software / Security Info required to be submitted with this application be permanently withheld from public review. These documents contain detailed system and equipment description and related information about the product which Festool GmbH considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, Festool GmbH considers that 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. Please contact me if there is any information you may need. Sincerely, ------------------------------------- Signature [Denis Drobner] [Head of Product Compliance] Festool GmbH Wertstrasse 20, 73240 Wendlingen, Germany

10 th of November 2022 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For Surface-restoration grinder / RG 130 ECI # 2AL2E-RG130# To Whom It May Concern: In accordance with sections 0.457 and 0.459 of CFR 47, Festool GmbH requests short-term Confidentiality of following sections of this application for a period of 180 days after grant is issued. Test setup photos External photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which Festool GmbH considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, Festool GmbH feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, ------------------------------------- Signature [Denis Drobner] [Head of Product Compliance] Festool GmbH Wertstrasse 20, 73240 Wendlingen, Germany

SIQ Ljubljana, Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia T +386 1 4778 100, F +386 1 4778 444, [email protected], www.siq.si External photos Project file: C20212616 Date: 2022-06-27 Pages: 4 Product: Surface-restoration grinder Type reference: RG 130 ECI Page: 2 (3) Figure 1 Figure 2 Page: 3 (3) Figure 3 Figure 4

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SIQ Ljubljana, Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia T +386 1 4778 100, F +386 1 4778 444, [email protected], www.siq.si Internal photos Project file: C20212616 Date: 2022-08-29 Pages: 3 Product: Surface-restoration grinder Type reference: RG 130 ECI Page: 2 (3) Figure 1: Sample for radiated measurements Figure 2: Sample for radiated measurements Page: 3 (3) Figure 3: Modified sample for conducted measurements

The report shall not be reproduced except in full. TN405E-04 Test report Number T251-0035/23 Project file: C20212616 Date: 2023-01-23 Pages: 10 Product: Surface-restoration grinder Type reference: RG 130 ECI Ratings: 120 V~; 60 Hz Protection class: II Trademark: Applicant: FESTOOL GmbH Wertstrasse 20, 73240 Wendlingen, Germany Manufacturer: FESTOOL GmbH Wertstrasse 20, 73240 Wendlingen, Germany Place of manufacture: See page 3 Summary of testing Testing method: Antenna pattern measurements Testing location: SIQ Ljubljana Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia Remarks: Date of receipt of test items: 2022-03-23 Number of items tested: 1 Date of performance of tests: 2023-01-09 The test results presented in this report relate only to the items tested. The test items were tested in the condition as received. The product complies with the requirements of the testing methods. Tested by: Luka Cvajnar Approved by: Marjan Mak T251-0035/23 Page: 2 (10) CONTENTS page 1 GENERAL 3 1.1 EQUIPMENT UNDER TEST 3 1.2 ANTENNA PATTERN MEASUREMENT 5 1.3 TEST RESULTS BLE ANTENNA 6 1.4 MAXIMUM BLE ANTENNA GAIN 9 2 USED TEST EQUIPMENT 10 T251-0035/23 Page: 3 (10) 1 GENERAL History sheet Date Report No. Change Revision 2023-01-23 T251-0035/23 Initial Test Report issued. -- Environmental conditions: Ambient temperature: 15 C to 35 C Relative humidity: 30 % to 60 % Atmospheric pressure: 860 mbar to 1060 mbar 1.1 Equipment under test Surface-restoration grinder Type: RG 130 ECI Tested was antenna pattern of the sample below. Picture of test sample – BLE Antenna Places of manufacture: - Festool GmbH, Weilheimer Strasse 32, 73272 Neidlingen, Germany, - Festool s.r.o., Chelčického 1932, 470 37 Česká Lípa, Czech Republic, - Festol GmbH, Johannes-Rau-Strasse 1, 73235 Wilheim an der Teck, Germany. T251-0035/23 Page: 4 (10) Copy of marking plate The artwork below may be only a draft. The use of certification marks on a product must be authorized by the respective NCBs that own these marks. T251-0035/23 Page: 5 (10) 1.2 Antenna pattern measurement 1.2.1 Test procedure The radiation pattern for BLE antenna implemented to PCB reference design has been measured in an anechoic chamber with 3 meters test distance. Test results show radiation patterns for two planes, measured with vertical and horizontal polarization of measuring antenna. All measurements were performed at 2402, 2440 and 2480 MHz frequency. T251-0035/23 Page: 6 (10) 1.3 Test results BLE Antenna T251-0035/23 Page: 7 (10) T251-0035/23 Page: 8 (10) T251-0035/23 Page: 9 (10) 1.4 Maximum BLE antenna gain DUT Frequency (MHz) Maximum antenna gain (dBi) 2402.000000 -3.6 2440.000000 -4.9 2480.000000 -5.58 T251-0035/23 Page: 10 (10) 2 USED TEST EQUIPMENT Antenna pattern measurement Manufacturer Description Model No. Used Calibrated Calibrated until Comtest engineering, SAC2 (together with controlling equipment) SAC 3m X 2022-04-14 2025-04-14 Maturo, Turn table (2 m diameter) TT 2.0 SI X / / Maturo, Bore-sight antenna mast BAM-4.0-P X / / Maturo, positioning equipment NCD X / / Rohde & Schwarz, RFI receiver ESU 26 X 2022-01-04 2023-07-04 R&S, Ultra Broadband Antenna HL562E 2020-09-30 2023-09-30 R&S, Horn Antenna HF907 X 2020-08-21 2023-08-21

The report shall not be reproduced except in full. TN405E-04 Test report Number T251-0347/22 M1 Project file: C20212616 Date: 2023-01-23 Pages: 57 Product: Surface-restoration grinder Type reference: RG 130 ECI Ratings: 120 V~; 60 Hz Protection class: II Trademark: Applicant: FESTOOL GmbH Wertstrasse 20, 73240 Wendlingen, Germany Manufacturer: FESTOOL GmbH Wertstrasse 20, 73240 Wendlingen, Germany Place of manufacture: See page 4 Summary of testing Testing method: 47 CFR Part 15, Subpart C (Clause 15.247) and RSS-247 (Issue 2) in conjuction with ANSI C63.10:2013 Testing location: SIQ Ljubljana Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia Remarks: Date of receipt of test items: 2022-03-23 Number of items tested: 2 Date of performance of tests: 2022-04-04 – 2023-01-17 The test results presented in this report relate only to the items tested. The test items were tested in the condition as received. The product complies with the requirements of the testing methods. Tested by: Luka Cvajnar Approved by: Marjan Mak T251-0347/22 M1 Page: 2 (57) CONTENTS page 1 GENERAL 3 1.1 DESCRIPTION OF EQUIPMENT UNDER TEST 3 1.2 DESCRIPTION OF THE TEST MODES 4 1.3 TEST EQUIPMENT USED FOR TESTING 5 1.4 TEST SETUP CONFIGURATIONS 6 2 TEST SUMMARY 8 2.1 APPLICATION OF DECISION RULE 9 3 TESTS RESULTS 10 3.1 47 CFR § 15.203 – ANTENNA REQUIREMENTS 10 3.2 47 CFR § 15.207 – AC LINE CONDUCTED EMISSION 11 3.3 47 CFR § 15.247(D) - SPURIOUS EMISSION - CONDUCTED 13 3.4 47 CFR § 15.205, § 15.209, § 15.247 (D) – SPURIOUS EMISSION - RADIATED 17 3.5 47 CFR § 15.247 (A) (2) – 6 DB EMISSION BANDWIDTH 34 3.6 47 CFR § 15.247 (B) (3) – MAXIMUM PEAK OUTPUT POWER 39 3.7 47 CFR § 15.247 (D) –100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE 41 3.8 47 CFR § 15.247 (E) – POWER SPECTRAL DENSITY 48 4 ANNEX I – ADDITIONAL DATA 52 4.1 OCCUPIED BANDWIDTH (99% EMISSION BANDWIDTH) 53 T251-0347/22 M1 Page: 3 (57) 1 GENERAL EUT passed the performed tests. History sheet Date Report No. Change Revision 2022-11-29 T251-0347/22 Initial Test Report issued. -- 2023-01-23 T251-0347/22 M1 Update of test report issued due to new antenna gain measurements. 1.0 1.1 Description of equipment under test Surface-restoration grinder Type: RG 130 ECI FCC ID: 2AL2E-RG130 IC: 22501-RG130 Adaptive / non-adaptive equipment non-adaptive equipment Modulation type GFSK Operating mode Single antenna Operating temperature range -20 °C to +80 °C Maximum RF Output power 4 dBm Operating frequency 2402 MHz – 2480 MHz Number of channels 40 Antenna type and gain -3.6 dBi Antenna Beamforming / Nominal channel bandwidth 1 MHz, 2 MHz Firmware: 10358243 Software: 720680 Copy of marking plate The artwork below may be only a draft. The use of certification marks on a product must be authorized by the respective NCBs that own these marks. T251-0347/22 M1 Page: 4 (57) 1.2 Description of the test modes The equipment uses only one antenna at any moment. On all devices run test firmware Bluetooth Direct Test Mode and accompanied by a USB-UART converter interface. For testing purposes sample with integral antenna and modified sample with added SMA connector was provided. For testing nRFgo Studio software program from Nordic Semiconductor was used. 1.2.1 Tested Channels Channels Data rate Frequency [MHz] TX power Settings [dBm] Packet type Packet length (bytes) 0 (Lowest) 1 Mbps 2402 4 PRBS9 37 19 (Middle) 1 Mbps 2440 4 PRBS9 37 39 (Highest) 1 Mbps 2480 4 PRBS9 37 0 (Lowest) 2 Mbps 2402 4 PRBS9 37 19 (Middle) 2 Mbps 2440 4 PRBS9 37 39 (Highest) 2 Mbps 2480 4 PRBS9 37 Normal test condition: Ambient temperature: 15 C to 35 C Relative humidity: 20 % to 75 % Places of manufacture: - Festool GmbH, Weilheimer Strasse 32, 73272 Neidlingen, Germany, - Festool s.r.o., Chelčického 1932, 470 37 Česká Lípa, Czech Republic, - Festol GmbH, Johannes-Rau-Strasse 1, 73235 Wilheim an der Teck, Germany. T251-0347/22 M1 Page: 5 (57) 1.3 Test Equipment used for testing Manufacturer Description Model No. Used Calibrated Calibrated until Comtest engineering, SAC2 (together with controlling equipment) SAC 3m X 2022-03-30 2025-03-30 Maturo, Turn table (2 m diameter) TT 2.0 SI X / / Maturo, Bore-sight antenna mast BAM-4.0-P X / / Maturo, positioning equipment NCD X / / Rohde & Schwarz, RFI receiver ESU 26 X 2022-01-04 2023-07-04 R&S, Ultra Broadband Antenna HL562E X 2020-09-30 2023-09-30 R&S, Horn Antenna HF907 X 2020-08-21 2023-08-21 EMCO, Horn Antenna EMCO 3116 X 2021-10-27 2024-10-27 R&S, Spectrum Analyzer FSV 40 X 2022-11-03 2024-05-03 R&S, Vector signal generator SMBV100B / / / R&S, Signal generator SMB100A X 2022-11-07 2024-05-07 R&S High resolution power meter OSP-B157W8 X 2022-11-04 2024-05-04 R&S Switch unit OSP-B157WX X 2022-11-04 2024-05-04 Wainwright Instruments, High pass filter High pass filter WHNX6-2555- 3500-26500 X 2020-06-08 2023-06-08 Wainwright Instruments, High pass filter WHNX6-5925- 7500-26500 / / / Wainwright Instruments, High pass filter WHW2-16340- 21500-40000 / / / Hp, Manual step attenuator 8494B 11 DB / / / Hp, Manual step attenuator 8496B 110 DB / / / PMI Low noise amplifier PEC-42-1G40G X 2022-04-01 2023-10-01 KEYSIGHT, attenuator 8491B 10 DB / / / 1.3.1 Measurement uncertainty The following measurement uncertainty levels have been estimated for tests performed on the product, as specified in ETSI TR 100 028-2 and C63.23. This represents an expanded uncertainty expressed at 95% confidence level using a coverage factor k=2. Measurements ULAB U ETSI TR 100 028-2 U C63.23 AC Line Conducted Emission 3.2 dB / ±4,13 Spurious emission 30 – 300 MHz 4.2 dB ±6 / Spurious emission 300 – 1000 MHz 4.4 dB ±6 / Spurious emission 1 GHz – 18 GHz 5.1 dB ±6 / Spurious emission 18 GHz – 26GHz 5.6 dB ±6 / Tx spurious emission - conducted < 1.8 dB ±4 / 6 dB Emission Bandwidth < 2% ±5% / Maximum peak output power < 1 dB ±0,75 dB / 100 kHz Bandwidth of Frequency Band Edge < 0.8 dB / / Power Spectral Density < 1.3 dB ±3 dB / Occupied bandwidth (99% emission bandwidth) < 2% ±5% / Note: Measurement uncertai…

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The report shall not be reproduced except in full. TN405E-04 Test report Number T251-0633/22 M1 Project file: C20212616 Date: 2023-01-23 Pages: 6 Product: Surface-restoration grinder Type reference: RG 130 ECI Ratings: 120 V~; 60 Hz Protection class: II Trademark: Applicant: Festool GmbH Wertstrasse 20, 73240 Wendlingen, Germany Manufacturer: Festool GmbH Wertstrasse 20, 73240 Wendlingen, Germany Place of manufacture: See page 3 Summary of testing Testing method: 47 CFR FCC Part 1.1307(b)(1)(B) in conjunction with Part 1.1310(d)(2), 2.1093(d)(2) and KDB 447498 D01 General RF Exposure Guidance v06 Testing location: SIQ Ljubljana Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia Remarks: Date of receipt of test items: 2022-03-23 Number of items tested: 1 Date of performance of tests: 2022-08-17 The test results presented in this report relate only to the items tested. The test items were tested in the condition as received. The product complies with the requirements of the testing methods. Tested by: Luka Tosetto Approved by: Marjan Mak T251-0633/22 M1 Page: 2 (6) CONTENTS page 1 GENERAL 3 1.1 EQUIPMENT UNDER TEST 3 2 ASSESSMENT PROCEDURE 5 3 MEASUREMENTS / CALCULATIONS 6 T251-0633/22 M1 Page: 3 (6) 1 GENERAL History sheet Date Report No. Change Revision 2022-08-19 T251-0633/22 Initial Test Report issued. -- 2023-01-23 T251-0633/22 M1 Update of test report issued due to added new calculations upon provided new data. 1.0 Places of manufacture: - Festool GmbH, Weilheimer Strasse 32, 73272 Neidlingen, Germany, - Festool s.r.o., Chelčického 1932, 470 37 Česká Lípa, Czech Republic, - Festool GmbH, Johannes-Rau-Strasse 1, 73235 Weilheim an der Teck, Germany 1.1 Equipment under test Surface-restoration grinder Type: RG 130 ECI Environment: Uncontrolled / General Public Assessment distance: minimum → 10 mm (assessment distance used with 8 mm tolerance to predict most conservative worst-case distance) FCC ID: 2AL2E-RG130 Purpose of use of Bluetooth® module: The Bluetooth® module is used for connection with a dust extractor. When the machine is started, the dust extractor is started too. The Bluetooth button on the machine is not used for pairing with a dust extractor. It is used for a service purpose only. Adaptive / non-adaptive equipment non-adaptive equipment Modulation type GFSK Operating mode Single antenna Operating temperature range -20 °C to +80 °C Maximum RF Output power 4 dBm Operating frequency 2402 MHz – 2480 MHz Number of channels 40 Antenna type and gain -3.6 dBi @ 2402 MHz, -4.9 dBi @ 2400 MHz, -5.58 dBi @2480 MHz Antenna Beamforming / Nominal channel bandwidth 1 MHz, 2 MHz Firmware: 10358243 Software: 720680 1MBit modulation: Data transmission: maximum at 265 bytes packets (Preamble 1 byte + Access address 4 bytes + 2 bytes Header + 251 bytes user data payload + 4 bytes MIC + 3 bytes CRC) considering the shortest ACK. (265 [bytes] / (1Mbit) [us]) * 8 = 2120 us transmission time ACK payload: 1 byte preamble + 4 byte address + 2 byte header + 3 byte CRC = 10 bytes = 80 us transmission time + 150 us TIFS ACK = 80 us + 150 us = 230 us One sequence = (150 us + 2120 us) + (150 us + 80 us) = 2500 us The total time of modulated TX output is (40 us + 2120 us) = 2160 us Worst-case duty cycle: 2160 us / 2500 us = 0.864 → duty cycle: 86.4 % T251-0633/22 M1 Page: 4 (6) 2MBit modulation: Data transmission: maximum at 266 bytes packets (Preamble 2 byte + Access address 4 bytes + 2 bytes Header + 251 bytes user data payload + 4 bytes MIC + 3 bytes CRC) considering the shortest ACK. (266 [bytes] / (2Mbit) [us]) * 8 = 1064 us transmission time ACK payload: 2 byte preamble + 4 byte address + 2 byte header + 3 byte CRC = 11 bytes = 44 us transmission time + 150 us TIFS ACK = 44 us + 150 us = 194 us One sequence = (150 us + 1064 us) + (150 us + 44 us) = 1408 us The total time of modulated TX output is (40 us + 1064 us) = 1104 us Worst-case duty cycle: 1104 us / 1408 us = 0.784 → duty cycle: 78.4 % In process, reviewed test report T251-0347/22 M1 from SIQ Ljubljana and documentation provided by manufacturer. T251-0633/22 M1 Page: 5 (6) 2 ASSESSMENT PROCEDURE According to 1.1307(b)(1)(B): Prepare an evaluation of the human exposure to RF radiation pursuant to § 1.1310 and include in the application a statement confirming compliance with the limits in § 1.1310. According to 1.1310(d)(2): For operations within the frequency range of 300 kHz and 6 GHz (inclusive), the limits for maximum permissible exposure (MPE), derived from whole-body SAR limits and listed in Table 1 in paragraph (e)(1) of this section, may be used instead of whole-body SAR limits as set forth in paragraphs (a) through (c) of this section to evaluate the environmental impact of human exposure to RF radiation as specified in § 1.1307(b) of this part, except for portable devices as defined in § 2.1093 of this chapter as these evaluations shall be performed according to the SAR provisions in § 2.1093. According to 2.1093(d)(2): Evaluation of compliance with the SAR limits can be demonstrated by either laboratory measurement techniques or by computational modeling. The latter must be supported by adequate documentation showing that the numerical method as implemented in the computational software has been fully validated; in addition, the equipment under test and exposure conditions must be modeled according to protocols established by FCC- accepted numerical computation standards or available FCC procedures for the specific computational method. Guidance regarding SAR measurement techniques can be found in the Office of Engineering and Technology (OET) Laboratory Division Knowledge Database (KDB). KDB 447498 D01 General RF Exposure Guidance v06 Clause 4.3.1. Standalone SAR test exclusion considerations SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. These test exclusion co…

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SIQ Ljubljana, Mašera-Spasićeva ulica 10, SI-1000 Ljubljana, Slovenia T +386 1 4778 100, F +386 1 4778 444, [email protected], www.siq.si Test setup photos Project file: C20212616 Date: 2022-08-29 Pages: 4 Product: Surface-restoration grinder Type reference: RG 130 ECI Page: 2 (4) Figure 1: Spurious emission 9 kHz - 30 MHz Figure 2: Spurious emission 30 MHz-1000 MHz Page: 3 (4) Figure 3: Spurious emission 1-18 GHz Figure 4: Spurious emission 18- 26 GHz Page: 4 (4) Figure 5: Conducted measurements test setup on AC mains Figure 6: Conducted measurements test setup