2BC3C-KC761Gamma Spectrometer

Handheld Radiation multimeter (Radiation Dosimeters and Gamma-Spectrometers) KC761 User Manual KECHUANG Executive Summary This manual introduces the concept and basic principle of energy spectrometer, and provides a comprehensive explanation of the structure, functions and usage of the KC761 energy spectrometer. Development Team Chief Engineer Tao Le Engineers Li Yun, Yuan Xinzhi, Chen Wei Consultant Experts Shi Congwei, Xu Nuo, Yang Tianhao, Ke Wei KC761 Multifunctional Handheld Energy Spectrum Analyzer User Manual Author(s): Liu Hu （instrument College, Kechuang Institute） KECHUANG Tech Correspondence to the Agency: [email protected] First edition, August 2023 Opening: 841×1189 1/64 First printing August 2023 Stamp: 0.5 Print run: 0-500 Word count: 25,000 words II Security matters In this brochure: "Dangerous" means a matter that may result in personal injury; "Warning" means a matter that may lead to the loss of equipment or a major error; "Important" refers to a statement that requires special attention. Dangerous Remove the sensor module. Throw into the fire or place in a hot place. Power is supplied by means or parameters other than those indicated by the instrument and specified in the manual. Storage or use in environments with combustible/explosive gases, dusts. Use when the instrument is malfunctioning or parts are missing. Place it in a place where children can reach it. Warning This instrument is not a consumer product and should only be used by professionals in accordance with the manual and the manufacturer's regulations. Instruments are not to be disassembled by non-authorized personnel. Modifications are prohibited. Radio transmitting devices (2.4GHz 802.11b/g/n, Bluetooth) are included, III please observe local laws and regulations. Pay attention to the energy range, paying particular attention to dose measurements that are not suitable for low-energy rays (e.g., low-energy X rays), where the results may be grossly underestimated. Disclaimers This instrument is a professional device, not a consumer product, and the rules for consumer products do not apply. To the extent permitted by law, the maximum liability of the manufacturer shall be the purchase price, regardless of damages, and shall not be liable for any loss of time, business, inconvenience, profit, abuse, or any consequential damages. The manufacturer's decision to repair, replace or return the product and refund the purchase price is the sole remedy for the user and the purchaser. The warranty period is the final period for which the manufacturer is liable for the product. Users are requested to comply with nuclear safety related regulations and use it only for legitimate scientific research, teaching, environmental protection, security and other purposes, and prohibit it from being used for purposes directly related to life safety or any illegal purposes. Designers, producers, sellers, service providers, community event organizers, etc. of KC761 have fulfilled the necessary publicity and warning obligations and are not responsible for the user's actions. The instrument has a networking feature, which is a convenience only and IV not an official feature. Users should fully assess the risks of networking before enabling the networking function. When networking, the user should ensure that the tested object does not involve state secrets, trade secrets, personal privacy or other non-disclosable contents, and know that the data may be erroneous, tampered with, contaminated, stolen, etc. The system may also be subject to network attacks. The manufacturer does not make any guarantees for information security. No guarantee of feasibility for aviation, aerospace, submarine, life support and other scenarios. Any promises made by the seller do not imply knowledge of or agreement with the manufacturer. * * * Packing list Spectrometer............ 1pc Carrying rope............1pc User manual ............ 1copy Power supply method One of the following power supply methods can be used a. (1) 5AA/LR6 dry batteries×3, including carbon, alkaline batteries and disposable lithium-iron batteries with a nominal voltage of 1.5V; or, (2) 5AA NiMH/NiCd battery × 3, nominal voltage 1.2V. It should be used correctly V and maintained properly according to the requirements of the battery manufacturer. b. 5V±10%, ripple <0.5% via USB (Type-C) interface. Due to the low power consumption, some cell phone chargers will assume there is no load and automatically sleep. Chargers with PD fast charging protocol cannot be powered (no CC pin pull-down resistor). c. (Optional) POE power supply through network port, 24~48V. The above three methods can be used simultaneously. This instrument cannot charge the battery. Exposure limits Exposure to the following types and intensities of radiation only: a. γrays (includingX rays), ＜6MeV，≤10Gy/h b.βrays, ＜6MeV，≤1Gy/h c.αrays, ＜12MeV，≤1Gy/h d. Neutrons, ≤1×10 5 cm -2 s -1 e. Other, ＜12MeV，≤1mGy/h， Not suitable for applications requiring extremely high reliability. This instrument is not nuclear hardened and may go down or malfunction under certain types and intensities of radiation exposure. Warranty The instrument is guaranteed for 1 year or an accumulated dose of 10Gy, VI whichever comes first. The warranty period of the optional sensor is determined separately. During the quality guarantee period, the manufacturer is responsible for free repair if the product fails due to quality problems. The following are not covered by the warranty: Aging, wear and tear, appearance damage; collision, drop, extrusion, pinprick and other violent damage; sensor damage after tearing off or damaging the protective film of the sensor; using non-specified power supply; lightning, electric shock, EMP attack, etc.; exceeding the allowable temperature and humidity, altitude, etc.; Instrument internal liquid feed, corrosive gas, radioactive dust, etc.； disassembly, self-repair, modification; failure caused by not operating in accordance…

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Chengdu kechuang shikong Technology Co.,LTD Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 10/24/2023 U.S. Agent Designation Chen gdu kechuang shikong Technology Co.,LTD acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BC3C-KC761): Name and company of U.S. agent: FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of Chengdu kechuang shikong Technology Co.,LTD. Chengdu kechuang shikong Technology Co.,LTD with the FRN 0034293449 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Since rely, Signature le tao systems engineer Chengdu kechuang shikong Technology Co.,LTD Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

Covered Equipment Identification Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: Chengdu kechuang shikong Technology Co.,LTD Address: No. 64, Section 3, East 1st Ring Road, Chenghua District, Chengdu, Sichuan, China Phone: +86-28-83255600 certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-10-25 Name / Title: Tao Li / Systems Engineer Company: Chengdu kechuang shikong Technology Co.,LTD Address: No. 64, Section 3, East 1st Ring Road, Chenghua District, Chengdu, Sichuan, China Phone: +86-28-83255600 Fax: N/A E-Mail: [email protected]

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BC3C-KC761 KC761 We, applicant Company Name: Chengdu kechuang shikong Technology Co.,LTD Address: No. 64, Section 3, East 1st Ring Road, Chenghua District, Chengdu, Sichuan, China Phone: +86-28-83255600 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-10-25 Name / Title: Tao Li / Systems Engineer Company: Chengdu kechuang shikong Technology Co.,LTD Address: No. 64, Section 3, East 1st Ring Road, Chenghua District, Chengdu, Sichuan, China Phone: +86-28-83255600 Fax: N/A E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BC3C-KC761 KC761 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-10-25 Name / Title: Tao Li / Systems Engineer Company: Chengdu kechuang shikong Technology Co.,LTD Address: No. 64, Section 3, East 1st Ring Road, Chenghua District, Chengdu, Sichuan, China Phone: +86-28-83255600 Fax: N/A E-Mail: [email protected]

Page 1 of 1 Rev.2.0 Chengdu kechuang shikong Technology Co.,LTD WIFI Channel 12 and 13 Declaration Letter We declare the equipment identified below with regards to Channel 12 and 13 capabilities for FCC ID: 2BC3C-KC761 Declaration Product hardware does not have the capability to operate on Channel 12 and 13. Product hardware has the capability to operate on Channel 12 and 13. However, these two channels will be disabled via software and will not be accessible to user. Product hardware has the capability to operate on Channel 12 and 13. However, all the operated channels can’t be changed in the RF parameter via software. All channels have complied with all of the requirements sets out in FCC Part 15.247. Product hardware has the capability to operate on WiFi Channel 12 and 13, and meets the requirements of KDB 594280 D01 v02r01. Please note: 1.) By default, this device operates in a mode that is compliant with the U.S. requirements. 2.) This device will also use supplemental information such as geo- location data to determine that it is operating outside the U.S., if necessary, to change its power. Such supplemental data will be derived from the following: Global Navigation Satellite System (GNSS)7 sensors in the device Mobile Country Code (MCC),8 or MCC with a Mobile Network code (MNC), received from a CMRS9 carrier and received directly by a receiver on the device Country information derived from multiple adjacent access points (for example using IEEE Std 802.11d provisions) may be permitted on case-by-case basis Other suitable geo-location data based on IP addresses or other reliable source. Name / Title: Tao Li / Systems Engineer Signature: Phone: +86-28-83255600 Email: [email protected] Date: 2023-10-25

Page 1 of 4 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity External Photos of the EUT Fig. 1 Fig. 2 Page 2 of 4 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3 Fig. 4 Page 3 of 4 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 5 Fig. 6 Page 4 of 4 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 7 Fig. 8

Page 1 of 1 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity LABEL AND LOCATION (Size: L0.5cm x 0.5cm) Label Location Gamma Spectrometer Model: KC761 FCC ID: 2BC3C-KC761

Page 1 of 5 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 5 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3 Fig. 4 Page 3 of 5 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 5 Fig. 6 Page 4 of 5 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 7 Fig. 8 Page 5 of 5 FCC ID: 2BC3C-KC761 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 9 Fig. 10 BT/WIFI ANT

Page 1 of 2 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix A Detailed System Check Results 1. System Performance Check System Performance Check 2450 MHz Head Page 2 of 2 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Date: 2023/10/12 Test Laboratory: LCS-SAR Lab System Performance Check 2450 MHz DUT: D2450V2; Type: D2450V2; Serial: 965 Communication System: UID 0, CW (0); Frequency: 2450 MHz;Duty Cycle: 1:1 Medium parameters used: f = 2450 MHz; σ = 1.855 S/m; ε r = 38.744; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: Probe: EX3DV4 - SN3805; ConvF(7.50, 7.50, 7.50); Calibrated: 2023/6/21; Sensor-Surface: 2mm (Mechanical Surface Detection), Electronics: DAE3 Sn419; Calibrated: 2023/6/20 Phantom: SAM v5.0; Type: SAM; Serial: 1850 DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Unnamed procedure/Area Scan (4x8x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 17.6 W/kg Configuration/Unnamed procedure/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 88.94 V/m; Power Drift = 0.04 dB Peak SAR (extrapolated) = 27.1 W/kg SAR(1 g) = 13.2 W/kg; SAR(10 g) = 6.03 W/kg Maximum value of SAR (measured) = 20.1 W/kg 0 dB = 17.6 W/kg = 12.47 dBW/kg

Page 1 of 2 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix B Detailed Test Results 1. WIFI WIFI 2.4GHz for Body Page 2 of 2 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Date: 2023/10/12 Test Laboratory: LCS-SAR Lab WIFI 2.4G 802.11b 11CH Rear side 0mm DUT: Gamma Spectrometer; Type: KC761; Serial: A09133036-1 Communication System: UID 0, WI-FI(2.4GHz) (0); Frequency: 2462 MHz;Duty Cycle: 1:1.005 Medium parameters used: f = 2462 MHz; σ = 1.874 S/m; ε r = 38.706; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: Probe: EX3DV4 - SN3805; ConvF(7.50, 7.50, 7.50); Calibrated: 2023/6/21; Sensor-Surface: 2mm (Mechanical Surface Detection), Electronics: DAE3 Sn419; Calibrated: 2023/6/20 Phantom: SAM v5.0; Type: SAM; Serial: 1850 DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (9x11x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.199 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 6.294 V/m; Power Drift = -0.04 dB Peak SAR (extrapolated) = 0.307 W/kg SAR(1 g) = 0.151 W/kg; SAR(10 g) = 0.102 W/kg Maximum value of SAR (measured) = 0.203 W/kg 0 dB = 0.199 W/kg = -7.01 dBW/kg

Page 1 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix C Calibration certificate 1. Dipole D2450V2-SN 965(2023-06-12) 2. DAE DAE3-SN 419(2023-06-20) 3. Probe EX3DV4-SN 3805(2023-06-21) Page 2 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 3 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 4 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 5 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 6 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 7 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 8 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 9 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 10 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 11 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 12 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 13 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 14 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 15 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 16 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 17 of 19 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail:…

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Page 1 of 39 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT For Chengdu Kechuang shikong technology Co.LTD Gamma Spectrometer Test Model: KC761 Prepared for : Chengdu Kechuang shikong technology Co.LTD Address : No.64,1st ring road Chenghua district Chengdu city CHN. Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (86)755-82591330 Fax : (86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : September 19, 2023 Number of tested samples Sample number : : 1 A09133036-1 Serial number : Prototype Date of Test : September 04, 2023 ~ October 12, 2023 Date of Report : October 16, 2023 Page 2 of 39 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT Report Reference No. ................. : LCSA09133036EB Date Of Issue ............................. : October 16, 2023 Testing Laboratory Name ........... : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ......................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure ......... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .....................: Chengdu Kechuang shikong technology Co.LTD Address ...................................... : No.64,1st ring road Chenghua district Chengdu city CHN. Test Specification: Standard ..................................... : FCC 47CFR §2.1093, ANSI/IEEE C95.1-1992, IEEE 1528-2020, KDB 248227/447498/865664/690783/616217 Test Report Form No. ................. : LCSEMC-1.0 TRF Originator ............................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ................................ : Dated 2014-09 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes noresponsibility 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. ..............: Gamma Spectrometer Trade Mark ................................. : MEASALL Model/Type Reference ............... : KC761 Operation Frequency .................. : WIFI2.4G,BLE Ratings .......................................... : DC 5V, 200mA, 36mW Or DC 4.5V by 3*AA battery Result .......................................: Positive Compiled by: Supervised by: Approved by: Jay Zhan/ File administrators Cary Luo / Technique principal Gavin Liang/ Manager Page 3 of 39 FCCID: 2BC3C-KC761 Report No.: LCSA09133036EB Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR -- TEST REPORT Test Result Positive The test report merely corresponds to the test…

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