2BGVBTKOWR2.4G Receiver

Instruction Manual for TKO Wireless Receiver Overview The TKO wireless Receiver is a 2.4Ghz RF receiver; It is tiny receiver designing for surfboard enthusiasts. There are two LEDS are used to indicate RF connecting state. One tactile switch is used for binding. Specifications  Operating system: uComicrium_OS  Number of channels: 2 channels  Operating voltage range: 3.5-10V  Operating current: <100mA  Operating Temperature: -20°C ~ 60°C (-4°F ~ 140°F)  Servo frame rate: 9ms (HS-- High Speed Mode) / 18ms (FS--Normal Speed Mode) Features  Higher precision PWM  Low latency PWM output  Smart port enabled and telemetry data transmission supported  Upgraded with FRK protocol  Internal ceramic antenna，external IPEX antenna supported  PCB protection with the comformal coating craftwork Working state Green LED Red LED Status On On Bind On Flashing Binding successfully On Off Working under HS Mode On Off Working under FS Mode Off Flashing Failsafe Note: 1. X meanings neglect. 2. The default output of RX6R is standard SBUS signal (1-16CH). Hold Bind button for about 5 seconds, CH16 will output RSSI. Repeat the steps above, the value of Channel 16 will output CH16. Frequency Band: 2.4G: 2404.27-2473.27 MHz Modulation Type(s): FSK Antenna type(s):2.85dBi Antenna Designation: Ceramic antenna FCC Caution 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

The Kinetic Option Pte. Ltd. (2024.06.27) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (2.4G Receiver / TKO Wireless Receiver /2BGVBTKOWR) 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 Schematics Block diagram Operation description required to be submitted with this application be permanently withheld from public review. These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Please contact me if there is any information you may need. Sincerely, Alvin Yeoh

The Kinetic Option Pte. Ltd. (2024.06.27) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (SHENZHEN STS TEST SERVICES 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, Alvin Yeoh

Page 1 of 3 Report No.: STS2405028 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Page 2 of 3 Report No.: STS2405028 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2405028 Photo 5 Photo 6

FCC Label 2.4G Receiver Model name: TKO Wireless Receiver FCC ID: 2BGVBTKOWR 20mm*10mm

Page 1 of 2 Report No.: STS2405028 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 2.4G Antenna Page 2 of 2 Report No.: STS2405028 Photo 3 Photo 4

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.: STS2405028H02 Issued for The Kinetic Option Pte. Ltd. 110 Lorong 23 Geylang #02-01 Singapore, 388410 Product Name: 2.4G Receiver Brand Name: N/A Model Name: TKO Wireless Receiver Series Model(s): N/A FCC ID: 2BGVBTKOWR Test Standards: FCC 47CFR §2.1091 Page 2 of 9 Report No.: STS2405028H02 TEST REPORT Applicant’s Name ................. : The Kinetic Option Pte. Ltd. Address ................................. : 110 Lorong 23 Geylang #02-01 Singapore, 388410 Manufacturer's Name ........... : FrSky Electronic Co., Ltd. Address ................................. : F-4, Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China Product Description Product Name ........................ : 2.4G Receiver Brand ................................... : N/A Model Number ....................... : .. : TKO Wireless Receiver Series Model(s) ...................... : N/A Standards ............................. : FCC 47CFR §2.1091 447498 D04 Interim General RF Exposure Guidance v01 The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ........................................... : Date of receipt of test item ...................... : 11 May 2024 Date (s) of performance of tests ............. : 11 May 2024~ 06 June 2024 Date of Issue .......................................... : 06 June 2024 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Chris Chen) Authorized Signatory : (Bovey Yang) Page 3 of 9 Report No.: STS2405028H02 TABLE OF CONTENTS 1. GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST FACTORY 5 2. FCC 47CFR §2.1091 REQUIREMENT 6 2.1 TEST STANDARDS 6 2.2 LIMIT 6 2.3 TEST RESULT 9 Page 4 of 9 Report No.: STS2405028H02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 06 June 2024 STS2405028H02 ALL Initial Issue Page 5 of 9 Report No.: STS2405028H02 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name 2.4G Receiver Brand N/A Model Number TKO Wireless Receiver Series Model(s) N/A Model Difference N/A Product Description The EUT is 2.4G Receiver Operation Frequency: 2404.27-2473.27MHz Modulation Type: FSK Antenna gain: 2.85 dBi Antenna Designation: Ceramic Rangting Input: DC 5V 1A Hardware Version Rev1.4 Software Version 1.1.2 1.2 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 Page 6 of 9 Report No.: STS2405028H02 2. FCC 47CFR §2.1091 REQUIREMENT 2.1 TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. 2.2 LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: Page 7 of 9 Report No.: STS2405028H02 (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). RF Source frequency (MHz) Threshold ERP(watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . Page 8 of 9 Report No.: STS2405028H02 For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). This exemption may not be used in conjunction with other exemption criteria other than those is paragraph (b)(3)(i)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(i)(A). (B) in the case of fix…

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Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. For more information: Pulse Worldwide Headquarters Pulse/Larsen Antennas Europe Headquarters Pulse (Suzhou) Wireless Products Co, Inc. 15255 Innovation Drive #100 Pulse GmbH & Do, KG 99 Huo Ju Road(#29 Bldg,4 th Phase San Diego, CA 92128 Vancouver, WA 98683 Zeppelinstrasse 15 Suzhou New District USA USA Herrenberg, Germany Jiangsu Province, Suzhou 215009 PR China Tel:1-858-674-8100 Tel: 1-360-944-7551 - Tel: 49 7032 7806 0 Tel: 86 512 6807 9998 18110 SE 34 th St Bldg 2 Suite 250 Features: Applications: •Size : 9.50x2.00x1.10 mm •Omni-directional Radiation •Tape & reel automatic mounting •Reflow process compatible •RoHS compliant •2.4 GHz WiFi device •Bluetooth gadget •Zigbee device •ISM band equipment 1 ELECTRICAL SPECIFICATIONS Working Frequency 2.45 GHz Bandwidth 340 MHz(Typ.) Return Loss 7.36 dB Max. Polarization Linear Azimuth Beamwidth Omni-directional Peak Gain 2.85 dBi (Typ.) Impedance 50 Ω Operating Temperature - 40~105 °C Maximum Power 1 W Termination Ni / Sn (Environmentally-Friendly Leadless) Resistance to Soldering Heats 260 °C , 10sec. NOTE 1. The specification is defined on Pulse evaluation board In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A 2 MECHANICAL DRAWING Dimension L (mm) 9.50 ± 0.20 W (mm) 2.00 ± 0.20 T (mm) 1.10 ± 0.20 REFERENCE DESIGN OF EVALUATION BOARD Outlook and dimension of evaluation board In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A 3 REFERENCE DESIGN OF EVALUATION BOARD Details of soldering Pad In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A 4 REFERENCE DESIGN OF EVALUATION BOARD Radiation pattern In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A 5 ELECTRICAL PERFORMANCES Return loss Marker data 1. 2.27GHz, -10.131dB 2. 2.45GHz, -20.745dB 3. 2.69GHz, -10.268dB In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. Description: 9520 2.4-2.5GHz Chip Antenna PART NUMBER: ANT9520LL06R2400A 6 REVISION HISTORY Revision Date Description Version 1 Nov. 20, 2020 - New issue

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.:STS2405028W02 Issued for The Kinetic Option Pte. Ltd. 110 Lorong 23 Geylang #02-01 Singapore, 388410 Product Name: 2.4G Receiver Brand Name: N/A Model Name: TKO Wireless Receiver Series Model(s): N/A FCC ID: 2BGVBTKOWR Test Standards: FCC Part15.247 S T L A B S Page 2 of 59 Report No.: STS2405028W02 TEST REPORT Applicant’s Name ................. : The Kinetic Option Pte. Ltd. Address .................................. : 110 Lorong 23 Geylang #02-01 Singapore, 388410 Manufacturer's Name ........... : FrSky Electronic Co., Ltd. Address .................................. : F-4, Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China Product Description Product Name ........................ : 2.4G Receiver Brand Name ........................... : N/A Model Name ........................... : TKO Wireless Receiver Series Model(s) .................... : N/A Test Standards...................... : FCC Part15.247 Test Procedure ....................... : ANSI C63.10-2020 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ............................... : Date of receipt of test item ......... : 11 May 2024 Date (s) of performance of tests : 11 May 2024~ 06 June 2024 Date of Issue ............................. : 06 June 2024 Test Result ................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Chris Chen) Authorized Signatory : (Bovey Yang) Page 3 of 59 Report No.: STS2405028W02 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 FREQUENCY HOPPING SYSTEM REQUIREMENTS 10 2.4 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 11 2.5 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.6 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.7 EQUIPMENTS LIST 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 RADIATED EMISSION MEASUREMENT 18 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 30 4.1 LIMIT 30 4.2 TEST PROCEDURE 30 4.3 TEST SETUP 31 4.4 EUT OPERATION CONDITIONS 31 4.5 TEST RESULTS 31 5. NUMBER OF HOPPING CHANNEL 32 5.1 LIMIT 32 5.2 TEST PROCEDURE 32 5.3 TEST SETUP 32 5.4 EUT OPERATION CONDITIONS 32 5.5 TEST RESULTS 32 6. AVERAGE TIME OF OCCUPANCY 33 6.1 LIMIT 33 6.2 TEST PROCEDURE 33 6.3 TEST SETUP 33 6.4 EUT OPERATION CONDITIONS 33 6.5 TEST RESULTS 33 7. HOPPING CHANNEL SEPARATION MEASUREMEN 34 Page 4 of 59 Report No.: STS2405028W02 Table of Contents Page 7.1 LIMIT 34 7.2 TEST PROCEDURE 34 7.3 TEST SETUP 34 7.4 EUT OPERATION CONDITIONS 34 7.5 TEST RESULTS 34 8. BANDWIDTH TEST 35 8.1 LIMIT 35 8.2 TEST PROCEDURE 35 8.3 TEST SETUP 35 8.4 EUT OPERATION CONDITIONS 35 8.5 TEST RESULTS 35 9. OUTPUT POWER TEST 36 9.1 LIMIT 36 9.2 TEST PROCEDURE 36 9.3 TEST SETUP 37 9.4 EUT OPERATION CONDITIONS 37 9.5 TEST RESULTS 37 10. ANTENNA REQUIREMENT 38 10.1 STANDARD REQUIREMENT 38 10.2 EUT ANTENNA 38 APPENDIX 1-TEST DATA 39 1. MAXIMUM PEAK CONDUCTED OUTPUT POWER 39 2. -20DB BANDWIDTH 42 3. CARRIER FREQUENCIES SEPARATION 45 4. NUMBER OF HOPPING CHANNEL 48 5. DWELL TIME 49 6. BAND EDGE 50 7. BAND EDGE(HOPPING) 52 8. CONDUCTED RF SPURIOUS EMISSION 55 APPENDIX 2-PHOTOS OF TEST SETUP 59 Page 5 of 59 Report No.: STS2405028W02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 06 June 2024 STS2405028W02 ALL Initial Issue Page 6 of 59 Report No.: STS2405028W02 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247(a)(1) Hopping Channel Separation PASS -- 15.247(a)(1)&(b)(1) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247(d) Conducted Spurious & Band Edge Emission PASS -- 15.247(a)(1)(iii) Number of Hopping Frequency PASS -- 15.247(a)(1)(iii) Dwell Time PASS -- 15.247(a)(1) Bandwidth PASS -- 15.205 Restricted bands of operation PASS -- Part 15.247(d)/part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020. Page 7 of 59 Report No.: STS2405028W02 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.755dB 2 Unwanted Emissions, conducted ±2.874dB 3 All emissions, radiated 9K-30MHz ±3.80dB 4 All emissions, radiated 30M-1GHz ±4.18dB 5 All emissions, radiated 1G-6GHz ±4.90dB 6 All emissions, radiated>6G ±5.24dB 7 Conducted Emission (9KHz-150KHz) ±2.19dB 8 Conducted Emission (150KHz-30MHz) ±2.53dB 9 Occupied Channel Bandwidth ±3.5% 10 Duty Cycle ±3.2% Page 8 of 59 Report No.: STS2405028W02 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name 2.4G Receiver Brand Name N/A Model Nam…

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Page 1 of 2 FCCID:2BGVBTKOWR DSSSetupphoto ModelNumber:TKOWirelessReceiver DSSconduction DSSradiationL Page 2 of 2 FCCID:2BGVBTKOWR DSSradiationH