2A3TT-AK-F01CTwo Keys Forsmall Pepper

Ar eas of application: Remote control s witches,alarm systems, , remote control door locks, remote control electric s hutter doors and Windows, water pump control, industrial control products, etc.; technical parameters: Working voltage: DC3V Working frequency: 433.92 MHz Standby c urrent: 0MA Working current: > 20MA Encoding Type: learning code EV1527) Trans mission distance: > 10 m (open area sensitivity more than 103 dBm) Output power: 10 m (0 DBM); Transfer r ate: < 10 KBPS M odulation mode: ASK (amplitude modulation) Working temperature: - 10 °C ~ + 50 °C Size:30 * 60 * 12 mm * Tips: 1. This series of remote wireless remote control with 1/2/3/4key optional; 2.With the power switch, remote control can turn off the power save electricity when not in use. FCC Statement: 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. 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 installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co‐located or operating in conjunction with any other antenna or transmitter.

SHENZHEN GREPOW BATTERY CO.,LTD Agent Authorization Letter 2022-03-17 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Most Technology Service Co., Ltd. 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, Name: Jayden Fang Position: Engineer Company Name: SHENZHEN GREPOW BATTERY CO.,LTD Address: No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Tel / Fax 0755-29045795 / 0755-61558171 E-Mail: [email protected]

SHENZHEN GREPOW BATTERY CO.,LTD Long Term Confidentiality Request Letter 2022-03-17 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2A3TT-AK-F01C) 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 - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Jayden Fang Position: Engineer Company Name: SHENZHEN GREPOW BATTERY CO.,LTD Address: No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Tel / Fax 0755-29045795 / 0755-61558171 E-Mail: [email protected]

Model No.: AK-F01C FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE Model No.: AK-F01C LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE Model No.: AK-F01C TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE

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FCC ID: 2A3TT‐AK‐F01C Model : AK‐F01C Power Supply：DC 3V by Battery SIZE:15mm*20mm Because of the small size of the product, the warning is reflected in the instructions

Model No.: AK-F01C Page 1 of 3 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE Model No.: AK-F01C Page 2 of 3 INTERNAL PHOTO OF SAMPLE PCB INTERNAL PHOTO OF SAMPLE PCB antenna Model No.: AK-F01C Page 3 of 3

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.231 Report Reference No. ..................... : FCC ID.. .......................................... : MTWG22010006-H 2A3TT-AK-F01C Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : January 20, 2022 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : SHENZHEN GREPOW BATTERY CO.,LTD Address ............................................ : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Two keys forsmall pepper Trade Mark ....................................... : N/A Model/Type reference....................... : AK-F01C Listed Models .................................. : N/A Modulation Type ............................... : ASK Operation Frequency ........................ : 433.92MHz Hardware version ............................. : Software version .............................. : Rating ............................................... : AK-F01C V02 AK-F01C EV1527 V01 DC3V(by Battery) Result................................................ : PASS Report No.: MTWG22010006-H Page 2 of 5 T E S T R E P O R T Equipment under Test : Two keys forsmall pepper Model /Type : AK-F01C Listed Models : N/A Applicant : SHENZHEN GREPOW BATTERY CO.,LTD Address : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Manufacturer : SHENZHEN GREPOW BATTERY CO.,LTD Address : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTWG22010006-H Page 3 of 5 Contents 1. Rev i s i o n H i s t o r y Revision Issue Date Revisions Revised By 00 2022.01.20 Initial Issue Alisa Luo Report No.: MTWG22010006-H Page 4 of 5 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits The 1-g and 10-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 and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation17 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Report No.: MTWG22010006-H Page 5 of 5 2.1.3 EUT RF Exposure eirp = pt x gt = (E x d)²/30 where: pt = transmitter output power in watts, gt = numeric gain of the transmitting antenna (unitless), E = electric field strength in V/m, ---10((dBμV/m)/20)/10 6 , d = measurement distance in meters (m)---3m, So pt = (E x d)²/30 / gt The worst case (refer to report MTWC21120961) is below: Antenna polarization: Horizontal Frequency (MHz) Level (dBuV/m) Polarization 433.92 80.04 Peak 433.92 70.40 Average Antenna polarization: Vertical Frequency (MHz) Level (dBuV/m) Polarization 433.92 78.78 Peak 433.92 69.14 Average eirp = pt x gt = (E x d)²/30=0.0303 mW exclusion=0.0040<3.0 for 1-g SAR So the SAR report is not required.

+12V Y1 26MHZ 1 XTAL 2 GND 3 DATA 4 SCL 5 TX 6 VCC U4 CMT2110A C10 2.5P L2 68nH C11 12P L3 68nH C12 6P L4 39nH L5 NC C9 105 1 2 3 4 P2 1.25-4PIN 1 2 3 45 6 7 8 U2 R2 27K R3 1K Q1 M6 C1 104 R1 5.6K D1 LED-R S3 SW-PB C14 104 1 P1 P3 1 P3 P3 1 P4 P3 1 P5 P3 L1 100nH R6 270K S2 SW-PB R5 4.7K TXD SCL TXD SCL +3V +3V TXD 301

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.231 Report Reference No. ..................... : FCC ID.. ........................................... : MTWG22010006 2A3TT-AK-F01C Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : January 20, 2022 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : SHENZHEN GREPOW BATTERY CO.,LTD Address ............................................ : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Test specification/ Standard ..........: FCC Part15 Subpart C, Section 15.231 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .....................: Two keys forsmall pepper Trade Mark ....................................... : N/A Model/Type reference....................... : AK-F01C Listed Models .................................. : N/A Modulation Type ............................... : ASK Operation Frequency ........................ : 433.92MHz Hardware version ............................. : Software version .............................. : Rating ............................................... : AK-F01C V02 AK-F01C EV1527 V01 DC3V(by Battery) Result................................................ : PASS Report No.: MTWG22010006 Page 2 of 24 T E S T R E P O R T Equipment under Test : Two keys forsmall pepper Model /Type : AK-F01C Listed Models : N/A Applicant : SHENZHEN GREPOW BATTERY CO.,LTD Address : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Manufacturer : SHENZHEN GREPOW BATTERY CO.,LTD Address : No.123, Huarong Road Gaofeng Community,Dalang Street,Longhua District,Shenzhen City Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTWG22010006 Page 3 of 24 Contents 1. R E V I S I O N H I S T O R Y ................................................................ 4 2. T E S T S T A N D A R D S ................................................................. 5 3. S U M M A R Y ............................................................................ 6 3.1. General Remarks 6 3.2. Product Description 6 3.3. Equipment Under Test 6 3.4. Short description of the Equipment under Test (EUT) 6 3.5. EUT operation mode 6 3.6. Block Diagram of Test Setup 6 3.7. Test Item (Equipment Under Test) Description* 7 3.8. Auxiliary Equipment (AE) Description 7 3.9 Antenna Information* 7 3.10. EUT configuration 7 3.11. Modifications 7 4. T E S T E N V I R O N M E N T .............................................................. 8 4.1. Address of the test laboratory 8 4.2. Environmental conditions 8 4.3. Test Description 9 4.4. Statement of the measurement uncertainty 9 4.5. Equipments Used during the Test 10 5. T E S T C O N D I T I O N S A N D R E S U L T S ........................................... 11 5.1. AC Power Conducted Emission ................................................................................... 11 5.2. Radiated Emission ........................................................................................................ 12 5.3. 20dB Bandwidth ........................................................................................................... 20 5.4. Dwell Time Test ............................................................................................................ 21 5.5. Antenna Requirement ................................................................................................... 22 6. T E S T S E T U P P H O T O S O F T H E E U T ......................................... 23 7. E X T E R N A L A N D I N T E R N AL P H O T O S O F T H E E U T ...................... 24 Report No.: MTWG22010006 Page 4 of 24 1. R e v i s i o n H i s t o r y Revision Issue Date Revisions Revised By 00 2022.01.20 Initial Issue Alisa Luo Report No.: MTWG22010006 Page 5 of 24 2. TES T S T A N D A R D S The tests were performed according to following standards: The tests were performed according to following standards: FCC Rules Part 15.231: Periodic operation in the band 40.66-40.70 MHz and above 70 MHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices ANSI C63.4: 2014: –American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40GHz Range of 9 kHz to 40GHz Report No.: MTWG22010006 Page 6 of 24 3. S U M M A R Y 3.1. General Remarks Date of receipt of test sample : 2022.01.06 Testing commenced on : 2022.01.07 Testing concluded on : 2022.01.20 3.2. Product Description Product Name: Two keys forsmall pepper Model/Type reference: AK-F01C Power Supply： DC3V(by Battery) Testing sample ID： MT22010049 Modulation: ASK Operation frequency: 433.92MHz Channel number: 1 Antenna typ…

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Model No.: AK-F01C RE TEST SETUP RE TEST SETUP