2AVZW-AC6000BTCHRONOGRAPH

FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limit s 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 of f 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 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. RF Exposure Warning The equipment complies with RF exposure limits set forth for an uncontrolled environment. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Report No.: 2003TW2603-U2 Product: CHRONOGRAPH Brand Name: Acetk Model Number: AC6000BT 1 of 4 External Photograph (1) EUT Photo (2) EUT Photo Report No.: 2003TW2603-U2 2 of 4 (3) EUT Photo (4) EUT Photo Report No.: 2003TW2603-U2 3 of 4 (5) EUT Photo (6) EUT Photo Report No.: 2003TW2603-U2 4 of 4 (7) EUT Photo

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Report No.: 2003TW2603-U2 Product: CHRONOGRAPH Brand Name: Acetk Model Number: AC6000BT 1 of 6 Internal Photograph (1) EUT Photo (2) EUT Photo Report No.: 2003TW2603-U2 2 of 6 (3) EUT Photo (4) EUT Photo Report No.: 2003TW2603-U2 3 of 6 (5) EUT Photo (6) EUT Photo Report No.: 2003TW2603-U2 4 of 6 (7) EUT Photo (8) EUT Photo Report No.: 2003TW2603-U2 5 of 6 (9) EUT Photo (10) EUT Photo Report No.: 2003TW2603-U2 6 of 6 (11) EUT Photo (12) EUT Photo

MRT Technology (Taiwan) Co., Ltd Report No.: 2003TW2603-U3 Phone: +886-3-3288388 Report Version: 1.0 Fax: +886-3-3288918 Issue Date: 2020-03-31 Web: www.mrt-cert.com FCC ID: 2AVZW-AC6000BT Page Number: 1 of 5 RF Exposure Evaluation FCC ID: 2AVZW-AC6000BT APPLICANT: Acetk Corp LTD. Application Type: Certification Product: CHRONOGRAPH Model No.: AC6000BT Trademark: FCC Rule Part(s): Part 2.1091 (Mobile) IC Standard: RSS 102 ( issue5) Test Procedure(s): KDB 447498 D01v06 Test Date: March 17, 2020 Tested By : ( Peter Syu ) Reviewed By : ( Paddy Chen ) Approved By : ( Chenz Ker) The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Taiwan) Co., Ltd. Report No.: 2003TW2603-U3 FCC ID: 2AVZW-AC6000BT Page Number: 2 of 5 Revision History Report No. Version Description Issue Date Note 2003TW2603-U3 1.0 Original Report 2020-03-31 Report No.: 2003TW2603-U3 FCC ID: 2AVZW-AC6000BT Page Number: 3 of 5 1. PRODUCT INFORMATION 1.1. Equipment Description 1.2. Antenna Description No. Brand Name Part No. Antenna Type Peak Gain 1 Acetk AC6000ANT PCB Antenna 0.5 dBi Product Name CHRONOGRAPH Model No. AC6000BT Trademark Supports Radios Spec. Bluetooth V4.2 LE Frequency Range 2402MHz ~ 2480MHz Type of Modulation GFSK Report No.: 2003TW2603-U3 FCC ID: 2AVZW-AC6000BT Page Number: 4 of 5 2. RF Exposure Evaluation 2.1. FCC Limits According to FCC KDB 447498 Section 4.3 - General SAR test exclusion guidance For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 1. f(GHz) is the RF channel transmit frequency in GHz 2. Power and distance are rounded to the nearest mW and mm before calculation 3. The result is rounded to one decimal place for comparison 4.The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below 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 according to 4.1 f) is applied to determine SAR test exclusion. Report No.: 2003TW2603-U3 FCC ID: 2AVZW-AC6000BT Page Number: 5 of 5 2.2. Test Result of RF Exposure Evaluation Mode Frequency Band (MHz) Average Output Power (dBm) Output Power (mW) FCC SAR Test Exclusion Threshold (mW) BLE 2402~2480 -3.5 0.45 10 So, this device can complies the SAR test exclusion. The End

MRT Technology (Taiwan) Co., Ltd Report No.: 2003TW2603-U2 Phone: +886-3-3288388 Report Version: 1.0 Fax: +886-3-3288918 Issue Date: 2020-03-31 Web: www.mrt-cert.com FCC ID: 2AVZW-AC6000BT Page Number: 1 of 52 FCC ID: 2AVZW-AC6000BT APPLICANT: Acetk Corp LTD. Application Type: Certification Product: CHRONOGRAPH Model No.: AC6000BT FCC Classification: (DTS) Digital Transmission System FCC Rule Part(s): Part 15.247 Test Procedure(s): ANSI C63.10-2013, KDB 558074 D01v05r02 Received Date: March 5, 2020 Test Date: March 11 ~ 17, 2020 MEASUREMENT REPORT FCC PART 15.247 Bluetooth V4.2 LE The test results only relate to the tested sample. This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.4-2014. Test results reported herein relate only to the item(s) tested. The test report shall not be reproduced except in full without the written approval of MRT Technology (Taiwan) Co., Ltd. Tested By : ( Fran Chen) Reviewed By : ( Paddy Chen ) Approved By : ( Chenz Ker) Report No.: 2003TW2603-U2 FCC ID: 2AVZW-AC6000BT Page Number: 2 of 52 Revision History Report No. Version Description Issue Date Note 2003TW2603-U2 1.0 Original Report 2020-03-31 Report No.: 2003TW2603-U2 FCC ID: 2AVZW-AC6000BT Page Number: 3 of 52 CONTENTS Description Page §2.1033 General Information ......................................................................................................... 5 1. INTRODUCTION ..................................................................................................................... 6 1.1. Scope .................................................................................................................................... 6 1.2. MRT Test Location ................................................................................................................ 6 2. PRODUCT INFORMATION ..................................................................................................... 7 2.1. Equipment Description .......................................................................................................... 7 2.2. Product Specification Subjective to this Standard .................................................................. 7 2.3. Test Mode ............................................................................................................................. 7 2.4. Operation Frequency / Channel List ...................................................................................... 8 2.5. Test Configuration ................................................................................................................. 9 2.6. Test Software ........................................................................................................................ 9 2.7. EMI Suppression Device(s)/Modifications ............................................................................. 9 2.8. Labeling Requirements ......................................................................................................... 9 3. DESCRIPTION of TEST ........................................................................................................ 10 3.1. Evaluation Procedure .......................................................................................................... 10 3.2. AC Line Conducted Emissions ............................................................................................ 10 3.3. Radiated Emissions ............................................................................................................ 11 4. ANTENNA REQUIREMENTS ................................................................................................ 12 5. TEST EQUIPMENT CALIBRATION DATE ............................................................................ 13 6. MEASUREMENT UNCERTAINTY ......................................................................................... 14 7. TEST RESULT ...................................................................................................................... 15 7.1. Summary ............................................................................................................................. 15 7.2. 6dB Bandwidth Measurement ............................................................................................. 16 7.2.1. Test Limit ......................................................................................................................... 16 7.2.2. Test Procedure used ....................................................................................................... 16 7.2.3. Test Setting ..................................................................................................................... 16 7.2.4. Test Setup ....................................................................................................................... 16 7.2.5. Test Result ...................................................................................................................... 17 7.3. Output Power Measurement ................................................................................................ 18 7.3.1. Test Limit ......................................................................................................................... 18 7.3.2. Test Procedure Used ....................................................................................................... 18 7.3.3. Test Setting ..................................................................................................................... 18 7.3.4. Test Setup ....................................................................................................................... 18 7.3.5. Test Result of Output Power ............................................................................................ 19 7.4. Power Spectr…

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Report No.: 2003TW2603-U2 Product: CHRONOGRAPH Brand Name: Acetk Model Number: AC6000BT 1 of 3 Test Photograph Test Mode: Mode 1 Description: Front View of Conducted Emission Test Setup Test Mode: Mode 1 Description: Back View of Conducted Emission Test Setup Report No.: 2003TW2603-U2 2 of 3 Test Mode: Mode 1 Description: Radiated Emission Test Setup for below 1GHz Test Mode: Mode 1 Description: Radiated Emission Test Setup for above 1GHz Report No.: 2003TW2603-U2 3 of 3 Test Mode: Mode 1 Description: Conducted Emission Test Setup